RHEL 6 / 7 : libyaml (RHSA-2015:0100)

Medium Nessus Plugin ID 81069


The remote Red Hat host is missing one or more security updates.


Updated libyaml packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7.

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

YAML is a data serialization format designed for human readability and interaction with scripting languages. LibYAML is a YAML parser and emitter written in C.

An assertion failure was found in the way the libyaml library parsed wrapped strings. An attacker able to load specially crafted YAML input into an application using libyaml could cause the application to crash. (CVE-2014-9130)

All libyaml users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications linked against the libyaml library must be restarted for this update to take effect.


Update the affected libyaml, libyaml-debuginfo and / or libyaml-devel packages.

See Also



Plugin Details

Severity: Medium

ID: 81069

File Name: redhat-RHSA-2015-0100.nasl

Version: $Revision: 1.4 $

Type: local

Agent: unix

Published: 2015/01/29

Modified: 2017/01/06

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 3.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:UC

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libyaml, p-cpe:/a:redhat:enterprise_linux:libyaml-debuginfo, p-cpe:/a:redhat:enterprise_linux:libyaml-devel, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:6.6, cpe:/o:redhat:enterprise_linux:7

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2015/01/28

Reference Information

CVE: CVE-2014-9130

OSVDB: 115190

RHSA: 2015:0100