Critical CentOS firefox Security Update


firefox-45.1.0-1.el5.centos.i386.rpm, firefox-45.1.0-1.el5.centos.src.rpm, firefox-45.1.0-1.el5.centos.x86_64.rpm, firefox-45.1.0-1.el6.centos.i686.rpm, firefox-45.1.0-1.el6.centos.src.rpm, firefox-45.1.0-1.el6.centos.x86_64.rpm, firefox-45.1.0-1.el7.centos.i686.rpm, firefox-45.1.0-1.el7.centos.src.rpm, firefox-45.1.0-1.el7.centos.x86_64.rpm,,,
2018-01-18 11:12
2017-07-27 19:11
2017-04-01 19:09
2017-01-05 20:14


An update for firefox is now available for Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, and 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.

This update upgrades Firefox to version 45.1.0 ESR.

Security Fix(es):

* Multiple flaws were 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-2016-2805, CVE-2016-2806, CVE-2016-2807, CVE-2016-2808, CVE-2016-2814)

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Phil Ringalda, CESG (the Information Security Arm of GCHQ), Sascha Just, Jesse Ruderman, Christian Holler, Tyson Smith, Boris Zbarsky, David Bolter, Carsten Book, Mats Palmgren, Gary Kwong, and Randell Jesup as the original reporters.
Please see

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

Or, you can just let us figure it out for you! Appcanary continously monitor your installed packages, and tell you if any of them are vulnerable.

Sign up for monitoring

Affected package information

Release Package Patched in
5 firefox firefox-45.1.0-1.el5.centos.i386.rpm
firefox firefox-45.1.0-1.el5.centos.src.rpm
firefox firefox-45.1.0-1.el5.centos.x86_64.rpm
6 firefox firefox-45.1.0-1.el6.centos.i686.rpm
firefox firefox-45.1.0-1.el6.centos.src.rpm
firefox firefox-45.1.0-1.el6.centos.x86_64.rpm
7 firefox firefox-45.1.0-1.el7.centos.i686.rpm
firefox firefox-45.1.0-1.el7.centos.src.rpm
firefox firefox-45.1.0-1.el7.centos.x86_64.rpm