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 45.5.0 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-2016-5296, CVE-2016-5297, CVE-2016-9066, CVE-2016-5291, CVE-2016-5290)
- A flaw was found in the way Add-on update process was handled by Firefox. A
Man-in-the-Middle attacker could use this flaw to install a malicious signed
add-on update. (CVE-2016-9064)
Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Abhishek Arya, Andre Bargull, Samuel Gross, Yuyang Zhou,
Olli Pettay, Christian Holler, Ehsan Akhgari, Jon Coppeard, Gary Kwong, Tooru
Fujisawa, Philipp, 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
-
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 - 1395055 - CVE-2016-5296 Mozilla: Heap-buffer-overflow WRITE in rasterize_edges_1 (MFSA 2016-89, MFSA 2016-90)
- BZ - 1395058 - CVE-2016-5297 Mozilla: Incorrect argument length checking in Javascript (MFSA 2016-89, MFSA 2016-90)
- BZ - 1395060 - CVE-2016-9064 Mozilla: Addons update must verify IDs match between current and new versions (MFSA 2016-89, MFSA 2016-90)
- BZ - 1395061 - CVE-2016-9066 Mozilla: Integer overflow leading to a buffer overflow in nsScriptLoadHandler (MFSA 2016-89, MFSA 2016-90)
- BZ - 1395065 - CVE-2016-5291 Mozilla: Same-origin policy violation using local HTML file and saved shortcut file (MFSA 2016-89, MFSA 2016-90)
- BZ - 1395066 - CVE-2016-5290 Mozilla: Memory safety bugs fixed in Firefox 45.5 (MFSA 2016-90)
CVEs
References
Vulmon