An updated thunderbird package that fixes one security issue is now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS)

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

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2013:0627-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2013:0627.html
Issue date:        2013-03-11
CVE Names:         CVE-2013-0787 
====================================================================
1. Summary:

An updated thunderbird package that fixes one security issue is now
available for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.

2. Relevant releases/architectures:

RHEL Optional Productivity Applications (v. 5 server)	 - i386, 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 Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

A flaw was found in the processing of malformed content. Malicious content
could cause Thunderbird to crash or execute arbitrary code with the
privileges of the user running Thunderbird. (CVE-2013-0787)

Red Hat would like to thank the Mozilla project for reporting this issue.
Upstream acknowledges VUPEN Security via the TippingPoint Zero Day
Initiative project as the original reporter.

Note: This issue cannot be exploited by a specially-crafted HTML mail
message as JavaScript is disabled by default for mail messages. It could
be exploited another way in Thunderbird, for example, when viewing the full
remote content of an RSS feed.

All Thunderbird users should upgrade to this updated package, which
corrects this issue. After installing the update, Thunderbird 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.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

5. Bugs fixed (http://bugzilla.redhat.com/):

918876 - CVE-2013-0787 Mozilla: Use-after-free in HTML Editor (MFSA 2013-29)

6. Package List:

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

Source:

i386:
thunderbird-17.0.3-2.el5_9.i386.rpm
thunderbird-debuginfo-17.0.3-2.el5_9.i386.rpm

x86_64:
thunderbird-17.0.3-2.el5_9.x86_64.rpm
thunderbird-debuginfo-17.0.3-2.el5_9.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server)	:

Source:

i386:
thunderbird-17.0.3-2.el5_9.i386.rpm
thunderbird-debuginfo-17.0.3-2.el5_9.i386.rpm

x86_64:
thunderbird-17.0.3-2.el5_9.x86_64.rpm
thunderbird-debuginfo-17.0.3-2.el5_9.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:

i386:
thunderbird-17.0.3-2.el6_4.i686.rpm
thunderbird-debuginfo-17.0.3-2.el6_4.i686.rpm

x86_64:
thunderbird-17.0.3-2.el6_4.x86_64.rpm
thunderbird-debuginfo-17.0.3-2.el6_4.x86_64.rpm

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

Source:

i386:
thunderbird-17.0.3-2.el6_4.i686.rpm
thunderbird-debuginfo-17.0.3-2.el6_4.i686.rpm

ppc64:
thunderbird-17.0.3-2.el6_4.ppc64.rpm
thunderbird-debuginfo-17.0.3-2.el6_4.ppc64.rpm

s390x:
thunderbird-17.0.3-2.el6_4.s390x.rpm
thunderbird-debuginfo-17.0.3-2.el6_4.s390x.rpm

x86_64:
thunderbird-17.0.3-2.el6_4.x86_64.rpm
thunderbird-debuginfo-17.0.3-2.el6_4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:

i386:
thunderbird-17.0.3-2.el6_4.i686.rpm
thunderbird-debuginfo-17.0.3-2.el6_4.i686.rpm

x86_64:
thunderbird-17.0.3-2.el6_4.x86_64.rpm
thunderbird-debuginfo-17.0.3-2.el6_4.x86_64.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/#package

7. References:

https://access.redhat.com/security/cve/CVE-2013-0787
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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