Issued:

2016-04-26

Updated:

2016-04-26

RHSA-2016:0695 - Critical: firefox security update

Synopsis

Critical: firefox security update

Type/Severity

Security Advisory Critical

Topic

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.

Description

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to take effect.

Affected Products

Updated Packages

• firefox-45.1.0-1.el7_2.s390x.rpm
• firefox-debuginfo-45.1.0-1.el5_11.x86_64.rpm
• firefox-debuginfo-45.1.0-1.el6_7.s390x.rpm
• firefox-45.1.0-1.el6_7.s390.rpm
• firefox-45.1.0-1.el6_7.src.rpm
• firefox-debuginfo-45.1.0-1.el5_11.s390.rpm
• firefox-45.1.0-1.el6_7.x86_64.rpm
• firefox-45.1.0-1.el5_11.s390x.rpm
• firefox-debuginfo-45.1.0-1.el7_2.ppc.rpm
• firefox-debuginfo-45.1.0-1.el7_2.ppc64le.rpm
• firefox-45.1.0-1.el5_11.i386.rpm
• firefox-45.1.0-1.el6_7.ppc.rpm
• firefox-45.1.0-1.el7_2.i686.rpm
• firefox-debuginfo-45.1.0-1.el5_11.ppc64.rpm
• firefox-debuginfo-45.1.0-1.el6_7.ppc64.rpm
• firefox-debuginfo-45.1.0-1.el6_7.x86_64.rpm
• firefox-45.1.0-1.el6_7.s390x.rpm
• firefox-45.1.0-1.el6_7.i686.rpm
• firefox-debuginfo-45.1.0-1.el7_2.ppc64.rpm
• firefox-45.1.0-1.el7_2.ppc.rpm
• firefox-debuginfo-45.1.0-1.el5_11.i386.rpm
• firefox-debuginfo-45.1.0-1.el7_2.s390.rpm
• firefox-debuginfo-45.1.0-1.el7_2.s390x.rpm
• firefox-45.1.0-1.el7_2.x86_64.rpm
• firefox-debuginfo-45.1.0-1.el6_7.s390.rpm
• firefox-debuginfo-45.1.0-1.el5_11.s390x.rpm
• firefox-debuginfo-45.1.0-1.el6_7.i686.rpm
• firefox-debuginfo-45.1.0-1.el6_7.ppc.rpm
• firefox-45.1.0-1.el5_11.s390.rpm
• firefox-45.1.0-1.el7_2.s390.rpm
• firefox-45.1.0-1.el6_7.ppc64.rpm
• firefox-45.1.0-1.el7_2.ppc64.rpm
• firefox-debuginfo-45.1.0-1.el7_2.i686.rpm
• firefox-45.1.0-1.el5_11.ppc64.rpm
• firefox-debuginfo-45.1.0-1.el7_2.x86_64.rpm
• firefox-45.1.0-1.el5_11.x86_64.rpm
• firefox-45.1.0-1.el7_2.ppc64le.rpm
• firefox-45.1.0-1.el5_11.src.rpm
• firefox-45.1.0-1.el7_2.src.rpm

Fixes

• This content is not included.BZ - 1330266
• This content is not included.BZ - 1330270
• This content is not included.BZ - 1330271
• This content is not included.BZ - 1330280
• This content is not included.BZ - 1330286

CVEs

• CVE-2016-1526
• CVE-2016-2805
• CVE-2016-2806
• CVE-2016-2807
• CVE-2016-2808
• CVE-2016-2814

References

• https://access.redhat.com/security/updates/classification/#critical
• Content from www.mozilla.org is not included.Content from www.mozilla.org is not included.https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr45.1

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.