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

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2016:0197-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-0197.html
Issue date:        2016-02-16
CVE Names:         CVE-2016-1521 CVE-2016-1522 CVE-2016-1523 
=====================================================================

1. Summary:

Updated firefox packages that fix multiple 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.

Multiple security flaws were found in the graphite2 font library shipped
with Firefox. 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-2016-1521, CVE-2016-1522, CVE-2016-1523)

All Firefox users should upgrade to these updated packages, which contain
Firefox version 38.6.1 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/):

1305805 - CVE-2016-1521 graphite2: Out-of-bound read vulnerability triggered by crafted fonts
1305810 - CVE-2016-1522 graphite2: Null pointer dereference and out-of-bounds access vulnerabilities
1305813 - CVE-2016-1523 graphite2: Heap-based buffer overflow in context item handling functionality
1306496 - Mozilla: Vulnerabilities in Graphite 2 (MFSA 2016-14)

6. Package List:

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

Source:
firefox-38.6.1-1.el5_11.src.rpm

i386:
firefox-38.6.1-1.el5_11.i386.rpm
firefox-debuginfo-38.6.1-1.el5_11.i386.rpm

x86_64:
firefox-38.6.1-1.el5_11.i386.rpm
firefox-38.6.1-1.el5_11.x86_64.rpm
firefox-debuginfo-38.6.1-1.el5_11.i386.rpm
firefox-debuginfo-38.6.1-1.el5_11.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
firefox-38.6.1-1.el5_11.src.rpm

i386:
firefox-38.6.1-1.el5_11.i386.rpm
firefox-debuginfo-38.6.1-1.el5_11.i386.rpm

ppc:
firefox-38.6.1-1.el5_11.ppc64.rpm
firefox-debuginfo-38.6.1-1.el5_11.ppc64.rpm

s390x:
firefox-38.6.1-1.el5_11.s390.rpm
firefox-38.6.1-1.el5_11.s390x.rpm
firefox-debuginfo-38.6.1-1.el5_11.s390.rpm
firefox-debuginfo-38.6.1-1.el5_11.s390x.rpm

x86_64:
firefox-38.6.1-1.el5_11.i386.rpm
firefox-38.6.1-1.el5_11.x86_64.rpm
firefox-debuginfo-38.6.1-1.el5_11.i386.rpm
firefox-debuginfo-38.6.1-1.el5_11.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
firefox-38.6.1-1.el6_7.src.rpm

i386:
firefox-38.6.1-1.el6_7.i686.rpm
firefox-debuginfo-38.6.1-1.el6_7.i686.rpm

x86_64:
firefox-38.6.1-1.el6_7.x86_64.rpm
firefox-debuginfo-38.6.1-1.el6_7.x86_64.rpm

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

x86_64:
firefox-38.6.1-1.el6_7.i686.rpm
firefox-debuginfo-38.6.1-1.el6_7.i686.rpm

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

Source:
firefox-38.6.1-1.el6_7.src.rpm

x86_64:
firefox-38.6.1-1.el6_7.i686.rpm
firefox-38.6.1-1.el6_7.x86_64.rpm
firefox-debuginfo-38.6.1-1.el6_7.i686.rpm
firefox-debuginfo-38.6.1-1.el6_7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
firefox-38.6.1-1.el6_7.src.rpm

i386:
firefox-38.6.1-1.el6_7.i686.rpm
firefox-debuginfo-38.6.1-1.el6_7.i686.rpm

ppc64:
firefox-38.6.1-1.el6_7.ppc64.rpm
firefox-debuginfo-38.6.1-1.el6_7.ppc64.rpm

s390x:
firefox-38.6.1-1.el6_7.s390x.rpm
firefox-debuginfo-38.6.1-1.el6_7.s390x.rpm

x86_64:
firefox-38.6.1-1.el6_7.x86_64.rpm
firefox-debuginfo-38.6.1-1.el6_7.x86_64.rpm

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

ppc64:
firefox-38.6.1-1.el6_7.ppc.rpm
firefox-debuginfo-38.6.1-1.el6_7.ppc.rpm

s390x:
firefox-38.6.1-1.el6_7.s390.rpm
firefox-debuginfo-38.6.1-1.el6_7.s390.rpm

x86_64:
firefox-38.6.1-1.el6_7.i686.rpm
firefox-debuginfo-38.6.1-1.el6_7.i686.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
firefox-38.6.1-1.el6_7.src.rpm

i386:
firefox-38.6.1-1.el6_7.i686.rpm
firefox-debuginfo-38.6.1-1.el6_7.i686.rpm

x86_64:
firefox-38.6.1-1.el6_7.x86_64.rpm
firefox-debuginfo-38.6.1-1.el6_7.x86_64.rpm

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

x86_64:
firefox-38.6.1-1.el6_7.i686.rpm
firefox-debuginfo-38.6.1-1.el6_7.i686.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
firefox-38.6.1-1.el7_2.src.rpm

x86_64:
firefox-38.6.1-1.el7_2.x86_64.rpm
firefox-debuginfo-38.6.1-1.el7_2.x86_64.rpm

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

x86_64:
firefox-38.6.1-1.el7_2.i686.rpm
firefox-debuginfo-38.6.1-1.el7_2.i686.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
firefox-38.6.1-1.el7_2.src.rpm

ppc64:
firefox-38.6.1-1.el7_2.ppc64.rpm
firefox-debuginfo-38.6.1-1.el7_2.ppc64.rpm

ppc64le:
firefox-38.6.1-1.el7_2.ppc64le.rpm
firefox-debuginfo-38.6.1-1.el7_2.ppc64le.rpm

s390x:
firefox-38.6.1-1.el7_2.s390x.rpm
firefox-debuginfo-38.6.1-1.el7_2.s390x.rpm

x86_64:
firefox-38.6.1-1.el7_2.x86_64.rpm
firefox-debuginfo-38.6.1-1.el7_2.x86_64.rpm

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

ppc64:
firefox-38.6.1-1.el7_2.ppc.rpm
firefox-debuginfo-38.6.1-1.el7_2.ppc.rpm

s390x:
firefox-38.6.1-1.el7_2.s390.rpm
firefox-debuginfo-38.6.1-1.el7_2.s390.rpm

x86_64:
firefox-38.6.1-1.el7_2.i686.rpm
firefox-debuginfo-38.6.1-1.el7_2.i686.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
firefox-38.6.1-1.el7_2.src.rpm

x86_64:
firefox-38.6.1-1.el7_2.x86_64.rpm
firefox-debuginfo-38.6.1-1.el7_2.x86_64.rpm

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

x86_64:
firefox-38.6.1-1.el7_2.i686.rpm
firefox-debuginfo-38.6.1-1.el7_2.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-2016-1521
https://access.redhat.com/security/cve/CVE-2016-1522
https://access.redhat.com/security/cve/CVE-2016-1523
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/security/announce/2016/mfsa2016-14.html

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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