RHEL 7 : firefox (RHSA-2017:0558)

Medium Nessus Plugin ID 97822


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


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.

Security Fix(es) :

* A flaw was found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2017-5428)

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Chaitin Security Research Lab via Trend Micro's Zero Day Initiative as the original reporters.


Update the affected firefox and / or firefox-debuginfo packages.

See Also




Plugin Details

Severity: Medium

ID: 97822

File Name: redhat-RHSA-2017-0558.nasl

Version: $Revision: 3.6 $

Type: local

Agent: unix

Published: 2017/03/20

Modified: 2017/08/15

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 6.8

Temporal Score: 5.6

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

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:firefox, p-cpe:/a:redhat:enterprise_linux:firefox-debuginfo, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.3

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2017/03/17

Reference Information

CVE: CVE-2017-5428

OSVDB: 153959

RHSA: 2017:0558