An update for flatpak is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.

Security Fix(es) :

* flatpak: potential /proc based sandbox escape (CVE-2019-8308)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

An update for firefox is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 60.5.1 ESR.

Security Fix(es) :

* chromium-browser, mozilla: Use after free in Skia (CVE-2018-18356)

* mozilla: Integer overflow in Skia (CVE-2019-5785)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

An update for firefox is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 60.5.1 ESR.

Security Fix(es) :

* chromium-browser, mozilla: Use after free in Skia (CVE-2018-18356)

* mozilla: Integer overflow in Skia (CVE-2019-5785)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

An update for systemd is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.

Security Fix(es) :

* systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash (CVE-2019-6454)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

An update for thunderbird is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 60.5.0.

Security Fix(es) :

* Mozilla: Use-after-free parsing HTML5 stream (CVE-2018-18500)

* Mozilla: Memory safety bugs fixed in Firefox 65 and Firefox ESR 60.5 (CVE-2018-18501)

* Mozilla: Privilege escalation through IPC channel messages (CVE-2018-18505)

* libical: Multiple use-after-free vulnerabilities (CVE-2016-5824)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Yaniv Frank (SophosLabs), Alex Gaynor, Christoph Diehl, Steven Crane, Jason Kratzer, Gary Kwong, Christian Holler, and Jed Davis as the original reporters.

An update for thunderbird is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 60.5.0.

Security Fix(es) :

* Mozilla: Use-after-free parsing HTML5 stream (CVE-2018-18500)

* Mozilla: Memory safety bugs fixed in Firefox 65 and Firefox ESR 60.5 (CVE-2018-18501)

* Mozilla: Privilege escalation through IPC channel messages (CVE-2018-18505)

* libical: Multiple use-after-free vulnerabilities (CVE-2016-5824)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Yaniv Frank (SophosLabs), Alex Gaynor, Christoph Diehl, Steven Crane, Jason Kratzer, Gary Kwong, Christian Holler, and Jed Davis as the original reporters.

An update for spice-server is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Simple Protocol for Independent Computing Environments (SPICE) is a remote display protocol for virtual environments. SPICE users can access a virtualized desktop or server from the local system or any system with network access to the server. SPICE is used in Red Hat Enterprise Linux for viewing virtualized guests running on the Kernel-based Virtual Machine (KVM) hypervisor or on Red Hat Enterprise Virtualization Hypervisors.

Security Fix(es) :

* spice: Off-by-one error in array access in spice/server/memslot.c (CVE-2019-3813)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

This issue was discovered by Christophe Fergeau (Red Hat).

An update for spice is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Simple Protocol for Independent Computing Environments (SPICE) is a remote display system built for virtual environments which allows the user to view a computing 'desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures.

Security Fix(es) :

* spice: Off-by-one error in array access in spice/server/memslot.c (CVE-2019-3813)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

This issue was discovered by Christophe Fergeau (Red Hat).

An update for ghostscript is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed.

Security Fix(es) :

* ghostscript: use-after-free in copydevice handling (699661) (CVE-2018-16540)

* ghostscript: access bypass in psi/zdevice2.c (700153) (CVE-2018-19475)

* ghostscript: access bypass in psi/zicc.c (700169) (CVE-2018-19476)

* ghostscript: access bypass in psi/zfjbig2.c (700168) (CVE-2018-19477)

* ghostscript: subroutines within pseudo-operators must themselves be pseudo-operators (700317) (CVE-2019-6116)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Tavis Ormandy (Google Project Zero) for reporting CVE-2019-6116.

Bug Fix(es) :

* Previously, ghostscript-9.07-31.el7_6.1 introduced a regression during the standard input reading, causing a '/invalidfileaccess in
--run--' error. With this update, the regression has been fixed and the described error no longer occurs. (BZ#1665919)

An update for firefox is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 60.5.0 ESR.

Security Fix(es) :

* Mozilla: Use-after-free parsing HTML5 stream (CVE-2018-18500)

* Mozilla: Memory safety bugs fixed in Firefox 65 and Firefox ESR 60.5 (CVE-2018-18501)

* Mozilla: Privilege escalation through IPC channel messages (CVE-2018-18505)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Yaniv Frank (SophosLabs), Alex Gaynor, Christoph Diehl, Steven Crane, Jason Kratzer, Gary Kwong, Christian Holler, and Jed Davis as the original reporters.

An update for firefox is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 60.5.0 ESR.

Security Fix(es) :

* Mozilla: Use-after-free parsing HTML5 stream (CVE-2018-18500)

* Mozilla: Memory safety bugs fixed in Firefox 65 and Firefox ESR 60.5 (CVE-2018-18501)

* Mozilla: Privilege escalation through IPC channel messages (CVE-2018-18505)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Yaniv Frank (SophosLabs), Alex Gaynor, Christoph Diehl, Steven Crane, Jason Kratzer, Gary Kwong, Christian Holler, and Jed Davis as the original reporters.

An update for systemd is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.

Security Fix(es) :

* systemd: memory leak in journald-server.c introduced by fix for CVE-2018-16864 (CVE-2019-3815)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for bind is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.

Security Fix(es) :

* bind: Crash from assertion error when debug log level is 10 and log entries meet buffer boundary (CVE-2018-5742)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es) :

* kernel: Use-after-free due to race condition in AF_PACKET implementation (CVE-2018-18559)

* kernel: userfaultfd bypasses tmpfs file permissions (CVE-2018-18397)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es) :

These updated kernel packages include also numerous bug fixes and enhancements. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article:
https://access.redhat.com/ articles/3827321

An update for thunderbird is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 60.4.0.

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 64 and Firefox ESR 60.4 (CVE-2018-12405)

* chromium-browser, firefox: Memory corruption in Angle (CVE-2018-17466)

* Mozilla: Use-after-free with select element (CVE-2018-18492)

* Mozilla: Buffer overflow in accelerated 2D canvas with Skia (CVE-2018-18493)

* Mozilla: Same-origin policy violation using location attribute and performance.getEntries to steal cross-origin URLs (CVE-2018-18494)

* Mozilla: Integer overflow when calculating buffer sizes for images (CVE-2018-18498)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Diego Calleja, Andrew McCreight, Jon Coppeard, Natalia Csoregi, Nicolas B. Pierron, Tyson Smith, Nils, Atte Kettunen, James Lee of Kryptos Logic, and r as the original reporters.

An update for thunderbird is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 60.4.0.

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 64 and Firefox ESR 60.4 (CVE-2018-12405)

* chromium-browser, firefox: Memory corruption in Angle (CVE-2018-17466)

* Mozilla: Use-after-free with select element (CVE-2018-18492)

* Mozilla: Buffer overflow in accelerated 2D canvas with Skia (CVE-2018-18493)

* Mozilla: Same-origin policy violation using location attribute and performance.getEntries to steal cross-origin URLs (CVE-2018-18494)

* Mozilla: Integer overflow when calculating buffer sizes for images (CVE-2018-18498)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Diego Calleja, Andrew McCreight, Jon Coppeard, Natalia Csoregi, Nicolas B. Pierron, Tyson Smith, Nils, Atte Kettunen, James Lee of Kryptos Logic, and r as the original reporters.

An update for perl is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Perl is a high-level programming language that is commonly used for system administration utilities and web programming.

Security Fix(es) :

* perl: Integer overflow leading to buffer overflow in Perl_my_setenv() (CVE-2018-18311)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Perl project for reporting this issue.
Upstream acknowledges Jayakrishna Menon as the original reporter.

An update for libvncserver is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

LibVNCServer is a C library that enables you to implement VNC server functionality into own programs.

Security Fix(es) :

* libvncserver: Heap out-of-bounds write in rfbserver.c in rfbProcessFileTransferReadBuffer() allows for potential code execution (CVE-2018-15127)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for systemd is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups. In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.

Security Fix(es) :

* systemd: Out-of-bounds heap write in systemd-networkd dhcpv6 option handling (CVE-2018-15688)

* systemd: stack overflow when calling syslog from a command with long cmdline (CVE-2018-16864)

* systemd: stack overflow when receiving many journald entries (CVE-2018-16865)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Ubuntu Security Team for reporting CVE-2018-15688 and Qualys Research Labs for reporting CVE-2018-16864 and CVE-2018-16865. Upstream acknowledges Felix Wilhelm (Google) as the original reporter of CVE-2018-15688.

An update for keepalived is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The keepalived utility provides simple and robust facilities for load balancing and high availability. The load balancing framework relies on the well-known and widely used IP Virtual Server (IPVS) kernel module providing layer-4 (transport layer) load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage a load balanced server pool according to the health of the servers. Keepalived also implements the Virtual Router Redundancy Protocol (VRRPv2) to achieve high availability with director failover.

Security Fix(es) :

* keepalived: Heap-based buffer overflow when parsing HTTP status codes allows for denial of service or possibly arbitrary code execution (CVE-2018-19115)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for firefox is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 60.4.0 ESR.

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 64 and Firefox ESR 60.4 (CVE-2018-12405)

* Mozilla: Memory corruption in Angle (CVE-2018-17466)

* Mozilla: Use-after-free with select element (CVE-2018-18492)

* Mozilla: Buffer overflow in accelerated 2D canvas with Skia (CVE-2018-18493)

* Mozilla: Same-origin policy violation using location attribute and performance.getEntries to steal cross-origin URLs (CVE-2018-18494)

* Mozilla: Integer overflow when calculating buffer sizes for images (CVE-2018-18498)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Diego Calleja, Andrew McCreight, Jon Coppeard, Natalia Csoregi, Nicolas B. Pierron, Tyson Smith, Nils, Atte Kettunen, James Lee of Kryptos Logic, and r as the original reporters.

An update for firefox is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 60.4.0 ESR.

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 64 and Firefox ESR 60.4 (CVE-2018-12405)

* Mozilla: Memory corruption in Angle (CVE-2018-17466)

* Mozilla: Use-after-free with select element (CVE-2018-18492)

* Mozilla: Buffer overflow in accelerated 2D canvas with Skia (CVE-2018-18493)

* Mozilla: Same-origin policy violation using location attribute and performance.getEntries to steal cross-origin URLs (CVE-2018-18494)

* Mozilla: Integer overflow when calculating buffer sizes for images (CVE-2018-18498)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Diego Calleja, Andrew McCreight, Jon Coppeard, Natalia Csoregi, Nicolas B. Pierron, Tyson Smith, Nils, Atte Kettunen, James Lee of Kryptos Logic, and r as the original reporters.

An update for ntp is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

The Network Time Protocol (NTP) is used to synchronize a computer's time with another referenced time source. These packages include the ntpd service which continuously adjusts system time and utilities used to query and configure the ntpd service.

Security Fix(es) :

* ntp: Stack-based buffer overflow in ntpq and ntpdc allows denial of service or code execution (CVE-2018-12327)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for ghostscript is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed.

Security Fix(es) :

* ghostscript: Incorrect free logic in pagedevice replacement (699664) (CVE-2018-16541)

* ghostscript: Incorrect 'restoration of privilege' checking when running out of stack during exception handling (CVE-2018-16802)

* ghostscript: User-writable error exception table (CVE-2018-17183)

* ghostscript: Saved execution stacks can leak operator arrays (incomplete fix for CVE-2018-17183) (CVE-2018-17961)

* ghostscript: Saved execution stacks can leak operator arrays (CVE-2018-18073)

* ghostscript: 1Policy operator allows a sandbox protection bypass (CVE-2018-18284)

* ghostscript: Type confusion in setpattern (700141) (CVE-2018-19134)

* ghostscript: Improperly implemented security check in zsetdevice function in psi/zdevice.c (CVE-2018-19409)

* ghostscript: Uninitialized memory access in the aesdecode operator (699665) (CVE-2018-15911)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Tavis Ormandy (Google Project Zero) for reporting CVE-2018-16541.

Bug Fix(es) :

* It has been found that ghostscript-9.07-31.el7_6.1 introduced regression during the handling of shading objects, causing a 'Dropping incorrect smooth shading object' warning. With this update, the regression has been fixed and the described problem no longer occurs.
(BZ#1657822)

An update for libvirt is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems.
In addition, libvirt provides tools for remote management of virtualized systems.

The following packages have been upgraded to a later upstream version:
libvirt (4.5.0). (BZ#1563169)

Security Fix(es) :

* libvirt: guest could inject executable code via libnss_dns.so loaded by libvirt_lxc before init (CVE-2018-6764)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

An update for samba is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Samba is an open source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.

The following packages have been upgraded to a later upstream version:
samba (4.8.3). (BZ#1558560)

Security Fix(es) :

* samba: Weak authentication protocol regression (CVE-2018-1139)

* samba: Insufficient input validation in libsmbclient (CVE-2018-10858)

* samba: NULL pointer dereference in printer server process (CVE-2018-1050)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Samba project for reporting CVE-2018-1050. The CVE-2018-1139 issue was discovered by Vivek Das (Red Hat).

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

An update for gnutls is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS.

The following packages have been upgraded to a later upstream version:
gnutls (3.3.29). (BZ#1561481)

Security Fix(es) :

* gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls (CVE-2018-10844)

* gnutls: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant (CVE-2018-10845)

* gnutls: 'Just in Time' PRIME + PROBE cache-based side channel attack can lead to plaintext recovery (CVE-2018-10846)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

An update for ghostscript is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed.

Security Fix(es) :

* ghostscript: incomplete fix for CVE-2018-16509 (CVE-2018-16863)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es) :

* Previously, the flushpage operator has been removed as part of a major clean-up of a non-standard operator. However, flushpage has been found to be used in a few specific use cases. With this update, it has been re-added to support those use cases. (BZ#1654290)

An update for ruby is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

Security Fix(es) :

* ruby: OpenSSL::X509::Name equality check does not work correctly (CVE-2018-16395)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for NetworkManager is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services.

Security Fix(es) :

* systemd: Out-of-bounds heap write in systemd-networkd dhcpv6 option handling (CVE-2018-15688)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Ubuntu Security Team for reporting this issue. Upstream acknowledges Felix Wilhelm (Google) as the original reporter.

An update for sos-collector is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

sos-collector is a utility that gathers sosreports from multi-node environments. sos-collector facilitates data collection for support cases and it can be run from either a node or from an administrator's local workstation that has network access to the environment.

The following packages have been upgraded to a later upstream version:
sos-collector (1.5). (BZ#1644776)

Security Fix(es) :

* sos-collector: incorrect permissions set on newly created files (CVE-2018-14650)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

This issue was discovered by Riccardo Schirone (Red Hat Product Security).

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es) :

* kernel: stack-based buffer overflow in chap_server_compute_md5() in iscsi target (CVE-2018-14633)

* kernel: NULL pointer dereference in af_netlink.c:__netlink_ns_capable() allows for denial of service (CVE-2018-14646)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Vincent Pelletier for reporting CVE-2018-14633 and Christian Brauner for reporting CVE-2018-14646.

Bug Fix(es) :

These updated kernel packages include also numerous bug fixes. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article:
https://access.redhat.com/articles/3714371

An update for ghostscript is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed.

Security Fix(es) :

* ghostscript: .tempfile file permission issues (699657) (CVE-2018-15908)

* ghostscript: shading_param incomplete type checking (699660) (CVE-2018-15909)

* ghostscript: missing type check in type checker (699659) (CVE-2018-16511)

* ghostscript: incorrect access checking in temp file handling to disclose contents of files (699658) (CVE-2018-16539)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Tavis Ormandy (Google Project Zero) for reporting CVE-2018-15908.

An update for ghostscript is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed.

Security Fix(es) :

* It was discovered that the ghostscript /invalidaccess checks fail under certain conditions. An attacker could possibly exploit this to bypass the -dSAFER protection and, for example, execute arbitrary shell commands via a specially crafted PostScript document.
(CVE-2018-16509)

Red Hat would like to thank Tavis Ormandy (Google Project Zero) for reporting this issue.

An update for thunderbird is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 60.3.0.

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3 (CVE-2018-12390)

* Mozilla: Crash with nested event loops (CVE-2018-12392)

* Mozilla: Integer overflow during Unicode conversion while loading JavaScript (CVE-2018-12393)

* Mozilla: Memory safety bugs fixed in Firefox ESR 60.3 (CVE-2018-12389)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Bob Owen, Boris Zbarsky, Calixte Denizet, Jason Kratzer, Jed Davis, Taegeon Lee, Philipp, Ronald Crane, Raul Gurzau, Gary Kwong, Tyson Smith, Raymond Forbes, Bogdan Tara, Nils, r, and Daniel Veditz as the original reporters.

An update for thunderbird is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 60.3.0.

Security Fix(es) :

* Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3 (CVE-2018-12390)

* Mozilla: Crash with nested event loops (CVE-2018-12392)

* Mozilla: Integer overflow during Unicode conversion while loading JavaScript (CVE-2018-12393)

* Mozilla: Memory safety bugs fixed in Firefox ESR 60.3 (CVE-2018-12389)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Bob Owen, Boris Zbarsky, Calixte Denizet, Jason Kratzer, Jed Davis, Taegeon Lee, Philipp, Ronald Crane, Raul Gurzau, Gary Kwong, Tyson Smith, Raymond Forbes, Bogdan Tara, Nils, r, and Daniel Veditz as the original reporters.

An update for spice-server is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Simple Protocol for Independent Computing Environments (SPICE) is a remote display protocol for virtual environments. SPICE users can access a virtualized desktop or server from the local system or any system with network access to the server. SPICE is used in Red Hat Enterprise Linux for viewing virtualized guests running on the Kernel-based Virtual Machine (KVM) hypervisor or on Red Hat Enterprise Virtualization Hypervisors.

Security Fix(es) :

* spice: Possible buffer overflow via invalid monitor configurations (CVE-2017-7506)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

This issue was discovered by Frediano Ziglio (Red Hat).

An update for java-11-openjdk is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.

Security Fix(es) :

* OpenJDK: Improper field access checks (Hotspot, 8199226) (CVE-2018-3169)

* OpenJDK: Unrestricted access to scripting engine (Scripting, 8202936) (CVE-2018-3183)

* OpenJDK: Incomplete enforcement of the trustURLCodebase restriction (JNDI, 8199177) (CVE-2018-3149)

* OpenJDK: Incorrect handling of unsigned attributes in signed Jar manifests (Security, 8194534) (CVE-2018-3136)

* OpenJDK: Leak of sensitive header data via HTTP redirect (Networking, 8196902) (CVE-2018-3139)

* OpenJDK: Multi-Release attribute read from outside of the main manifest attributes (Utility, 8199171) (CVE-2018-3150)

* OpenJDK: Missing endpoint identification algorithm check during TLS session resumption (JSSE, 8202613) (CVE-2018-3180)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for java-1.7.0-openjdk is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The java-1.7.0-openjdk packages provide the OpenJDK 7 Java Runtime Environment and the OpenJDK 7 Java Software Development Kit.

Security Fix(es) :

* OpenJDK: Improper field access checks (Hotspot, 8199226) (CVE-2018-3169)

* OpenJDK: Incomplete enforcement of the trustURLCodebase restriction (JNDI, 8199177) (CVE-2018-3149)

* OpenJDK: Incorrect handling of unsigned attributes in signed Jar manifests (Security, 8194534) (CVE-2018-3136)

* OpenJDK: Leak of sensitive header data via HTTP redirect (Networking, 8196902) (CVE-2018-3139)

* OpenJDK: Missing endpoint identification algorithm check during TLS session resumption (JSSE, 8202613) (CVE-2018-3180)

* OpenJDK: Infinite loop in RIFF format reader (Sound, 8205361) (CVE-2018-3214)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for git is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with a client-server model, Git ensures that each working copy of a Git repository is an exact copy with complete revision history. This not only allows the user to work on and contribute to projects without the need to have permission to push the changes to their official repositories, but also makes it possible for the user to work with no network connection.

Security Fix(es) :

* git: arbitrary code execution via .gitmodules (CVE-2018-17456)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for java-1.7.0-openjdk is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The java-1.7.0-openjdk packages provide the OpenJDK 7 Java Runtime Environment and the OpenJDK 7 Java Software Development Kit.

Security Fix(es) :

* OpenJDK: Improper field access checks (Hotspot, 8199226) (CVE-2018-3169)

* OpenJDK: Incomplete enforcement of the trustURLCodebase restriction (JNDI, 8199177) (CVE-2018-3149)

* OpenJDK: Incorrect handling of unsigned attributes in signed Jar manifests (Security, 8194534) (CVE-2018-3136)

* OpenJDK: Leak of sensitive header data via HTTP redirect (Networking, 8196902) (CVE-2018-3139)

* OpenJDK: Missing endpoint identification algorithm check during TLS session resumption (JSSE, 8202613) (CVE-2018-3180)

* OpenJDK: Infinite loop in RIFF format reader (Sound, 8205361) (CVE-2018-3214)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for python-paramiko is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The python-paramiko package provides a Python module that implements the SSH2 protocol for encrypted and authenticated connections to remote machines. Unlike SSL, the SSH2 protocol does not require hierarchical certificates signed by a powerful central authority. The protocol also includes the ability to open arbitrary channels to remote services across an encrypted tunnel.

Security Fix(es) :

* python-paramiko: Authentication bypass in auth_handler.py (CVE-2018-1000805)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

X.Org is an open source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.

Security Fix(es) :

* xorg-x11-server: Incorrect permission check in Xorg X server allows for privilege escalation (CVE-2018-14665)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank Narendra Shinde for reporting this issue.

An update for xerces-c is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Xerces-C is a validating XML parser written in a portable subset of C++. Xerces-C makes it easy to give your application the ability to read and write XML data. A shared library is provided for parsing, generating, manipulating, and validating XML documents.

Security Fix(es) :

* xerces-c: Stack overflow when parsing deeply nested DTD (CVE-2016-4463)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

An update for libmspack is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

The libmspack packages contain a library providing compression and extraction of the Cabinet (CAB) file format used by Microsoft.

Security Fix(es) :

* libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks (CVE-2018-14679)

* libmspack: off-by-one error in the CHM chunk number validity checks (CVE-2018-14680)

* libmspack: out-of-bounds write in kwajd_read_headers in mspack/kwajd.c (CVE-2018-14681)

* libmspack: off-by-one error in the TOLOWER() macro for CHM decompression (CVE-2018-14682)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

An update for fuse is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The fuse packages contain the File System in Userspace (FUSE) tools to mount a FUSE file system. With FUSE, it is possible to implement a fully functional file system in a user-space program.

Security Fix(es) :

* fuse: bypass of the 'user_allow_other' restriction when SELinux is active (CVE-2018-10906)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

An update for jasper is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard.

Security Fix(es) :

* jasper: reachable assertion in JPC_NOMINALGAIN() (CVE-2016-9396)

* jasper: NULL pointer exception in jp2_encode() (CVE-2017-1000050)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

An update for setup is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

The setup package contains a set of important default system configuration and setup files. Examples include /etc/passwd, /etc/group, and /etc/profile. Other examples are the default lists of reserved user IDs, reserved ports, reserved protocols, allowed shells, allowed secure terminals.

Security Fix(es) :

* setup: nologin listed in /etc/shells violates security expectations (CVE-2018-1113)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

An update for libcdio is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

The libcdio library provides an interface for CD-ROM access. It can be used by applications that need OS-independent and device-independent access to CD-ROM devices.

Security Fix(es) :

* libcdio: Heap-based buffer over-read in print_iso9660_recurse function in iso-info.c (CVE-2017-18198)

* libcdio: NULL pointer dereference in realloc_symlink in rock.c (CVE-2017-18199)

* libcdio: Double free in get_cdtext_generic() in lib/driver/_cdio_generic.c (CVE-2017-18201)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

An update for zziplib is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

The zziplib is a lightweight library to easily extract data from zip files.

Security Fix(es) :

* zziplib: out of bound read in mmapped.c:zzip_disk_fread() causes crash (CVE-2018-7725)

* zziplib: Bus error in zip.c:__zzip_parse_root_directory() cause crash via crafted zip file (CVE-2018-7726)

* zziplib: Memory leak in memdisk.c:zzip_mem_disk_new() can lead to denial of service via crafted zip (CVE-2018-7727)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

ID	Name	Severity
122353	CentOS 7 : flatpak (CESA-2019:0375)	high
122352	CentOS 7 : firefox (CESA-2019:0374)	high
122351	CentOS 6 : firefox (CESA-2019:0373)	high
122350	CentOS 7 : systemd (CESA-2019:0368)	medium
122065	CentOS 7 : thunderbird (CESA-2019:0270)	critical
122064	CentOS 6 : thunderbird (CESA-2019:0269)	critical
122063	CentOS 6 : spice-server (CESA-2019:0232)	high
122062	CentOS 7 : spice (CESA-2019:0231)	high
122061	CentOS 7 : ghostscript (CESA-2019:0229)	high
121551	CentOS 7 : firefox (CESA-2019:0219)	critical
121550	CentOS 6 : firefox (CESA-2019:0218)	critical
121549	CentOS 7 : systemd (CESA-2019:0201)	low
121548	CentOS 7 : bind (CESA-2019:0194)	high
121547	CentOS 7 : kernel (CESA-2019:0163)	high
121546	CentOS 7 : thunderbird (CESA-2019:0160)	critical
121545	CentOS 6 : thunderbird (CESA-2019:0159)	critical
121371	CentOS 7 : perl (CESA-2019:0109)	critical
121216	CentOS 7 : libvncserver (CESA-2019:0059)	critical
121192	CentOS 7 : systemd (CESA-2019:0049)	high
120956	CentOS 7 : keepalived (CESA-2019:0022)	critical
119874	CentOS 7 : firefox (CESA-2018:3833)	critical
119873	CentOS 6 : firefox (CESA-2018:3831)	critical
119791	CentOS 6 : ntp (CESA-2018:3854)	critical
119754	CentOS 7 : ghostscript (CESA-2018:3834)	critical
119692	CentOS 7 : libvirt (CESA-2018:3113)	high
119691	CentOS 7 : samba (CESA-2018:3056)	high
119690	CentOS 7 : gnutls (CESA-2018:3050)	medium
119666	CentOS 7 : ghostscript (CESA-2018:3761)	high
119665	CentOS 7 : ruby (CESA-2018:3738)	critical
119664	CentOS 7 : NetworkManager (CESA-2018:3665)	high
119663	CentOS 7 : sos-collector (CESA-2018:3663)	medium
119662	CentOS 7 : kernel (CESA-2018:3651)	high
119661	CentOS 7 : ghostscript (CESA-2018:3650)	high
119479	CentOS 6 : ghostscript (CESA-2018:3760)	high
119051	CentOS 7 : thunderbird (CESA-2018:3532)	critical
119050	CentOS 6 : thunderbird (CESA-2018:3531)	critical
119049	CentOS 6 : spice-server (CESA-2018:3522)	high
119048	CentOS 7 : java-11-openjdk (CESA-2018:3521)	critical
119047	CentOS 6 : java-1.7.0-openjdk (CESA-2018:3409)	high
119046	CentOS 7 : git (CESA-2018:3408)	critical
119045	CentOS 7 : java-1.7.0-openjdk (CESA-2018:3350)	high
119044	CentOS 7 : python-paramiko (CESA-2018:3347)	high
119006	CentOS 7 : xorg-x11-server (CESA-2018:3410)	medium
119005	CentOS 7 : xerces-c (CESA-2018:3335)	high
119004	CentOS 7 : libmspack (CESA-2018:3327)	high
119003	CentOS 7 : fuse (CESA-2018:3324)	high
119002	CentOS 7 : jasper (CESA-2018:3253)	high
119001	CentOS 7 : setup (CESA-2018:3249)	medium
119000	CentOS 7 : libcdio (CESA-2018:3246)	critical
118999	CentOS 7 : zziplib (CESA-2018:3229)	medium

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