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Red Hat Security Advisory
Synopsis: Critical: firefox security update
Advisory ID: RHSA-2015:1693-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1693.html
Issue date: 2015-08-27
CVE Names: CVE-2015-4497 CVE-2015-4498
=====================================================================
1. Summary:
Updated firefox packages that fix two security issues are now available for
Red Hat Enterprise Linux 5, 6, and 7.
Red Hat Product Security has rated this update as having Critical security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux (v. 5 server) - i386, ppc, s390x, x86_64
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
Mozilla Firefox is an open source web browser. XULRunner provides the XUL
Runtime environment for Mozilla Firefox.
A flaw was 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-2015-4497)
A flaw was found in the way Firefox handled installation of add-ons.
An attacker could use this flaw to bypass the add-on installation prompt,
and trick the user inso installing an add-on from a malicious source.
(CVE-2015-4498)
Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Jean-Max Reymond, Ucha Gobejishvili, and Bas Venis as
the original reporters of these issues.
All Firefox users should upgrade to these updated packages, which contain
Firefox version 38.2.1 ESR, which corrects these issues. After installing
the update, Firefox must be restarted for the changes to take effect.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1257276 - CVE-2015-4497 Mozilla: Use-after-free when resizing canvas element
during restyling (MFSA 2015-94)
1257278 - CVE-2015-4498 Mozilla: Add-on notification bypass through data URLs
(MFSA 2015-95)
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
firefox-38.2.1-1.el5_11.src.rpm
i386:
firefox-38.2.1-1.el5_11.i386.rpm
firefox-debuginfo-38.2.1-1.el5_11.i386.rpm
x86_64:
firefox-38.2.1-1.el5_11.i386.rpm
firefox-38.2.1-1.el5_11.x86_64.rpm
firefox-debuginfo-38.2.1-1.el5_11.i386.rpm
firefox-debuginfo-38.2.1-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
firefox-38.2.1-1.el5_11.src.rpm
i386:
firefox-38.2.1-1.el5_11.i386.rpm
firefox-debuginfo-38.2.1-1.el5_11.i386.rpm
ppc:
firefox-38.2.1-1.el5_11.ppc64.rpm
firefox-debuginfo-38.2.1-1.el5_11.ppc64.rpm
s390x:
firefox-38.2.1-1.el5_11.s390.rpm
firefox-38.2.1-1.el5_11.s390x.rpm
firefox-debuginfo-38.2.1-1.el5_11.s390.rpm
firefox-debuginfo-38.2.1-1.el5_11.s390x.rpm
x86_64:
firefox-38.2.1-1.el5_11.i386.rpm
firefox-38.2.1-1.el5_11.x86_64.rpm
firefox-debuginfo-38.2.1-1.el5_11.i386.rpm
firefox-debuginfo-38.2.1-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source:
firefox-38.2.1-1.el6_7.src.rpm
i386:
firefox-38.2.1-1.el6_7.i686.rpm
firefox-debuginfo-38.2.1-1.el6_7.i686.rpm
x86_64:
firefox-38.2.1-1.el6_7.x86_64.rpm
firefox-debuginfo-38.2.1-1.el6_7.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
x86_64:
firefox-38.2.1-1.el6_7.i686.rpm
firefox-debuginfo-38.2.1-1.el6_7.i686.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
firefox-38.2.1-1.el6_7.src.rpm
x86_64:
firefox-38.2.1-1.el6_7.i686.rpm
firefox-38.2.1-1.el6_7.x86_64.rpm
firefox-debuginfo-38.2.1-1.el6_7.i686.rpm
firefox-debuginfo-38.2.1-1.el6_7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
firefox-38.2.1-1.el6_7.src.rpm
i386:
firefox-38.2.1-1.el6_7.i686.rpm
firefox-debuginfo-38.2.1-1.el6_7.i686.rpm
ppc64:
firefox-38.2.1-1.el6_7.ppc64.rpm
firefox-debuginfo-38.2.1-1.el6_7.ppc64.rpm
s390x:
firefox-38.2.1-1.el6_7.s390x.rpm
firefox-debuginfo-38.2.1-1.el6_7.s390x.rpm
x86_64:
firefox-38.2.1-1.el6_7.x86_64.rpm
firefox-debuginfo-38.2.1-1.el6_7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
ppc64:
firefox-38.2.1-1.el6_7.ppc.rpm
firefox-debuginfo-38.2.1-1.el6_7.ppc.rpm
s390x:
firefox-38.2.1-1.el6_7.s390.rpm
firefox-debuginfo-38.2.1-1.el6_7.s390.rpm
x86_64:
firefox-38.2.1-1.el6_7.i686.rpm
firefox-debuginfo-38.2.1-1.el6_7.i686.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
firefox-38.2.1-1.el6_7.src.rpm
i386:
firefox-38.2.1-1.el6_7.i686.rpm
firefox-debuginfo-38.2.1-1.el6_7.i686.rpm
x86_64:
firefox-38.2.1-1.el6_7.x86_64.rpm
firefox-debuginfo-38.2.1-1.el6_7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
x86_64:
firefox-38.2.1-1.el6_7.i686.rpm
firefox-debuginfo-38.2.1-1.el6_7.i686.rpm
Red Hat Enterprise Linux Client (v. 7):
Source:
firefox-38.2.1-1.el7_1.src.rpm
x86_64:
firefox-38.2.1-1.el7_1.x86_64.rpm
firefox-debuginfo-38.2.1-1.el7_1.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
firefox-38.2.1-1.el7_1.i686.rpm
firefox-debuginfo-38.2.1-1.el7_1.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
firefox-38.2.1-1.el7_1.src.rpm
ppc64:
firefox-38.2.1-1.el7_1.ppc64.rpm
firefox-debuginfo-38.2.1-1.el7_1.ppc64.rpm
s390x:
firefox-38.2.1-1.el7_1.s390x.rpm
firefox-debuginfo-38.2.1-1.el7_1.s390x.rpm
x86_64:
firefox-38.2.1-1.el7_1.x86_64.rpm
firefox-debuginfo-38.2.1-1.el7_1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
firefox-38.2.1-1.ael7b_1.src.rpm
ppc64le:
firefox-38.2.1-1.ael7b_1.ppc64le.rpm
firefox-debuginfo-38.2.1-1.ael7b_1.ppc64le.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
firefox-38.2.1-1.el7_1.ppc.rpm
firefox-debuginfo-38.2.1-1.el7_1.ppc.rpm
s390x:
firefox-38.2.1-1.el7_1.s390.rpm
firefox-debuginfo-38.2.1-1.el7_1.s390.rpm
x86_64:
firefox-38.2.1-1.el7_1.i686.rpm
firefox-debuginfo-38.2.1-1.el7_1.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
firefox-38.2.1-1.el7_1.src.rpm
x86_64:
firefox-38.2.1-1.el7_1.x86_64.rpm
firefox-debuginfo-38.2.1-1.el7_1.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
firefox-38.2.1-1.el7_1.i686.rpm
firefox-debuginfo-38.2.1-1.el7_1.i686.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2015-4497
https://access.redhat.com/security/cve/CVE-2015-4498
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr38.2.1
https://access.redhat.com/articles/1590693
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2015 Red Hat, Inc.
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