Updated firefox packages that fix three 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

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====================================================================                   Red Hat Security Advisory

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2015:1834-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2015:1834.html
Issue date:        2015-09-22
CVE Names:         CVE-2015-4500 CVE-2015-4509 CVE-2015-4510 
====================================================================
1. Summary:

Updated firefox packages that fix three 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.

Several 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-2015-4500, CVE-2015-4509, CVE-2015-4510)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Andrew Osmond, Olli Pettay, Andrew Sutherland,
Christian Holler, David Major, Andrew McCreight, Cameron McCormack, and
Looben Yang as the original reporters of these issues.

All Firefox users should upgrade to these updated packages, which contain
Firefox version 38.3.0 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/):

1265186 - CVE-2015-4500 Mozilla: Miscellaneous memory safety hazards (MFSA 2015-96)
1265190 - CVE-2015-4510 Mozilla: Use-after-free with shared workers and IndexedDB (MFSA 2015-104)
1265192 - CVE-2015-4509 Mozilla: Use-after-free while manipulating HTML media content (MFSA 2015-106)

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
firefox-38.3.0-2.el5_11.src.rpm

i386:
firefox-38.3.0-2.el5_11.i386.rpm
firefox-debuginfo-38.3.0-2.el5_11.i386.rpm

x86_64:
firefox-38.3.0-2.el5_11.i386.rpm
firefox-38.3.0-2.el5_11.x86_64.rpm
firefox-debuginfo-38.3.0-2.el5_11.i386.rpm
firefox-debuginfo-38.3.0-2.el5_11.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
firefox-38.3.0-2.el5_11.src.rpm

i386:
firefox-38.3.0-2.el5_11.i386.rpm
firefox-debuginfo-38.3.0-2.el5_11.i386.rpm

ppc:
firefox-38.3.0-2.el5_11.ppc64.rpm
firefox-debuginfo-38.3.0-2.el5_11.ppc64.rpm

s390x:
firefox-38.3.0-2.el5_11.s390.rpm
firefox-38.3.0-2.el5_11.s390x.rpm
firefox-debuginfo-38.3.0-2.el5_11.s390.rpm
firefox-debuginfo-38.3.0-2.el5_11.s390x.rpm

x86_64:
firefox-38.3.0-2.el5_11.i386.rpm
firefox-38.3.0-2.el5_11.x86_64.rpm
firefox-debuginfo-38.3.0-2.el5_11.i386.rpm
firefox-debuginfo-38.3.0-2.el5_11.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
firefox-38.3.0-2.el6_7.src.rpm

i386:
firefox-38.3.0-2.el6_7.i686.rpm
firefox-debuginfo-38.3.0-2.el6_7.i686.rpm

x86_64:
firefox-38.3.0-2.el6_7.x86_64.rpm
firefox-debuginfo-38.3.0-2.el6_7.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

x86_64:
firefox-38.3.0-2.el6_7.i686.rpm
firefox-debuginfo-38.3.0-2.el6_7.i686.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
firefox-38.3.0-2.el6_7.src.rpm

x86_64:
firefox-38.3.0-2.el6_7.i686.rpm
firefox-38.3.0-2.el6_7.x86_64.rpm
firefox-debuginfo-38.3.0-2.el6_7.i686.rpm
firefox-debuginfo-38.3.0-2.el6_7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
firefox-38.3.0-2.el6_7.src.rpm

i386:
firefox-38.3.0-2.el6_7.i686.rpm
firefox-debuginfo-38.3.0-2.el6_7.i686.rpm

ppc64:
firefox-38.3.0-2.el6_7.ppc64.rpm
firefox-debuginfo-38.3.0-2.el6_7.ppc64.rpm

s390x:
firefox-38.3.0-2.el6_7.s390x.rpm
firefox-debuginfo-38.3.0-2.el6_7.s390x.rpm

x86_64:
firefox-38.3.0-2.el6_7.x86_64.rpm
firefox-debuginfo-38.3.0-2.el6_7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

ppc64:
firefox-38.3.0-2.el6_7.ppc.rpm
firefox-debuginfo-38.3.0-2.el6_7.ppc.rpm

s390x:
firefox-38.3.0-2.el6_7.s390.rpm
firefox-debuginfo-38.3.0-2.el6_7.s390.rpm

x86_64:
firefox-38.3.0-2.el6_7.i686.rpm
firefox-debuginfo-38.3.0-2.el6_7.i686.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
firefox-38.3.0-2.el6_7.src.rpm

i386:
firefox-38.3.0-2.el6_7.i686.rpm
firefox-debuginfo-38.3.0-2.el6_7.i686.rpm

x86_64:
firefox-38.3.0-2.el6_7.x86_64.rpm
firefox-debuginfo-38.3.0-2.el6_7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

x86_64:
firefox-38.3.0-2.el6_7.i686.rpm
firefox-debuginfo-38.3.0-2.el6_7.i686.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
firefox-38.3.0-2.el7_1.src.rpm

x86_64:
firefox-38.3.0-2.el7_1.x86_64.rpm
firefox-debuginfo-38.3.0-2.el7_1.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
firefox-38.3.0-2.el7_1.i686.rpm
firefox-debuginfo-38.3.0-2.el7_1.i686.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
firefox-38.3.0-2.el7_1.src.rpm

ppc64:
firefox-38.3.0-2.el7_1.ppc64.rpm
firefox-debuginfo-38.3.0-2.el7_1.ppc64.rpm

s390x:
firefox-38.3.0-2.el7_1.s390x.rpm
firefox-debuginfo-38.3.0-2.el7_1.s390x.rpm

x86_64:
firefox-38.3.0-2.el7_1.x86_64.rpm
firefox-debuginfo-38.3.0-2.el7_1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
firefox-38.3.0-2.ael7b_1.src.rpm

ppc64le:
firefox-38.3.0-2.ael7b_1.ppc64le.rpm
firefox-debuginfo-38.3.0-2.ael7b_1.ppc64le.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
firefox-38.3.0-2.el7_1.ppc.rpm
firefox-debuginfo-38.3.0-2.el7_1.ppc.rpm

s390x:
firefox-38.3.0-2.el7_1.s390.rpm
firefox-debuginfo-38.3.0-2.el7_1.s390.rpm

x86_64:
firefox-38.3.0-2.el7_1.i686.rpm
firefox-debuginfo-38.3.0-2.el7_1.i686.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
firefox-38.3.0-2.el7_1.src.rpm

x86_64:
firefox-38.3.0-2.el7_1.x86_64.rpm
firefox-debuginfo-38.3.0-2.el7_1.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
firefox-38.3.0-2.el7_1.i686.rpm
firefox-debuginfo-38.3.0-2.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-2015-4500
https://access.redhat.com/security/cve/CVE-2015-4509
https://access.redhat.com/security/cve/CVE-2015-4510
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr38.3

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2015 Red Hat, Inc.
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