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 45.6.0 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-2016-9893, CVE-2016-9899, CVE-2016-9895, CVE-2016-9897, CVE-2016-9898,
    CVE-2016-9900, CVE-2016-9901, CVE-2016-9902, CVE-2016-9904, CVE-2016-9905)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Philipp, Wladimir Palant, Nils, Jann Horn, Aral, Andrew
Krasichkov, insertscript, Jan de Mooij, Iris Hsiao, Christian Holler, Carsten
Book, Timothy Nikkel, Christoph Diehl, Olli Pettay, Raymond Forbes, and Boris
Zbarsky 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

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Server 6 x86_64
  • Red Hat Enterprise Linux Server 6 i386
  • Red Hat Enterprise Linux Server 5 x86_64
  • Red Hat Enterprise Linux Server 5 i386
  • Red Hat Enterprise Linux Server - Extended Update Support 7.6 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support 7.5 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support 7.4 x86_64
  • Red Hat Enterprise Linux Server - Extended Update Support 7.3 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.4 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.3 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Workstation 6 x86_64
  • Red Hat Enterprise Linux Workstation 6 i386
  • Red Hat Enterprise Linux Workstation 5 x86_64
  • Red Hat Enterprise Linux Workstation 5 i386
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux Desktop 6 x86_64
  • Red Hat Enterprise Linux Desktop 6 i386
  • Red Hat Enterprise Linux Desktop 5 x86_64
  • Red Hat Enterprise Linux Desktop 5 i386
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for IBM z Systems 6 s390x
  • Red Hat Enterprise Linux for IBM z Systems 5 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.5 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.4 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.3 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Power, big endian 6 ppc64
  • Red Hat Enterprise Linux for Power, big endian 5 ppc
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.5 ppc64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.4 ppc64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.3 ppc64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux for Scientific Computing 6 x86_64
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.5 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.4 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.3 ppc64le
  • Red Hat Enterprise Linux Server - TUS 7.6 x86_64
  • Red Hat Enterprise Linux Server - TUS 7.3 x86_64
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.6 ppc64le
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.4 ppc64le
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.3 ppc64le
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.4 x86_64
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.3 x86_64

Fixes

  • BZ - 1404083 - CVE-2016-9899 Mozilla: Use-after-free while manipulating DOM events and audio elements (MFSA 2016-94, MFSA 2016-95)
  • BZ - 1404086 - CVE-2016-9895 Mozilla: CSP bypass using marquee tag (MFSA 2016-94, MFSA 2016-95)
  • BZ - 1404087 - CVE-2016-9897 Mozilla: Memory corruption in libGLES (MFSA 2016-94, MFSA 2016-95)
  • BZ - 1404089 - CVE-2016-9898 Mozilla: Use-after-free in Editor while manipulating DOM subtrees (MFSA 2016-94, MFSA 2016-95)
  • BZ - 1404090 - CVE-2016-9900 Mozilla: Restricted external resources can be loaded by SVG images through data URLs (MFSA 2016-94, MFSA 2016-95)
  • BZ - 1404091 - CVE-2016-9904 Mozilla: Cross-origin information leak in shared atoms (MFSA 2016-94, MFSA 2016-95)
  • BZ - 1404094 - CVE-2016-9905 Mozilla: Crash in EnumerateSubDocuments (MFSA 2016-94, MFSA 2016-95)
  • BZ - 1404096 - CVE-2016-9893 Mozilla: Memory safety bugs fixed in Firefox 50.1 and Firefox ESR 45.6 (MFSA 2016-95)
  • BZ - 1404358 - CVE-2016-9901 Mozilla: Data from Pocket server improperly sanitized before execution (MFSA 2016-94, MFSA 2016-95)
  • BZ - 1404359 - CVE-2016-9902 Mozilla: Pocket extension does not validate the origin of events (MFSA 2016-94, MFSA 2016-95)

CVEs

References