Synopsis
Critical: firefox security update
Type/Severity
Security Advisory: Critical
Topic
An update for firefox is now available for 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 52.5.0 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-2017-7826, CVE-2017-7828, CVE-2017-7830)
Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, David Keeler, Jon Coppeard, Julien Cristau, Jan de Mooij, Jason Kratzer, Philipp, Nicholas Nethercote, Oriol Brufau, André Bargull, Bob Clary, Jet Villegas, Randell Jesup, Tyson Smith, Gary Kwong, Ryan VanderMeulen, Nils, and Jun Kokatsu 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
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Red Hat Enterprise Linux Server 6 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
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Red Hat Enterprise Linux Server - Extended Update Support 7.4 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 Workstation 7 x86_64
-
Red Hat Enterprise Linux Workstation 6 x86_64
-
Red Hat Enterprise Linux Workstation 6 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 for IBM z Systems 7 s390x
-
Red Hat Enterprise Linux for IBM z Systems 6 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 Power, big endian 7 ppc64
-
Red Hat Enterprise Linux for Power, big endian 6 ppc64
-
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, 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 Server - TUS 7.6 x86_64
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Red Hat Enterprise Linux Server - TUS 7.4 x86_64
-
Red Hat Enterprise Linux for ARM 64 7 aarch64
-
Red Hat Enterprise Linux for Power 9 7 ppc64le
-
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.6 ppc64le
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Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.4 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
Fixes
- BZ - 1513308 - CVE-2017-7826 Mozilla: Memory safety bugs fixed in Firefox 57 and Firefox ESR 52.5 (MFSA 2017-25)
- BZ - 1513310 - CVE-2017-7828 Mozilla: Use-after-free of PressShell while restyling layout (MFSA 2017-25)
- BZ - 1513311 - CVE-2017-7830 Mozilla: Cross-origin URL information leak through Resource Timing API (MFSA 2017-25)
CVEs
References
Vulmon