Important CentOS thunderbird Update
An updated thunderbird package that fixes several security issues 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. 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.
Mozilla Thunderbird is a standalone mail and newsgroup client.
Several flaws were found in the processing of malformed content. Malicious
content could cause Thunderbird to crash or, potentially, execute arbitrary
code with the privileges of the user running Thunderbird. (CVE-2013-0801,
CVE-2013-1674, CVE-2013-1675, CVE-2013-1676, CVE-2013-1677, CVE-2013-1678,
CVE-2013-1679, CVE-2013-1680, CVE-2013-1681)
A flaw was found in the way Thunderbird handled Content Level Constructors.
Malicious content could use this flaw to perform cross-site scripting (XSS)
Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Christoph Diehl, Christian Holler, Jesse Ruderman,
Timothy Nikkel, Jeff Walden, Nils, Ms2ger, Abhishek Arya, and Cody Crews as
the original reporters of these issues.
Note: All of the above issues cannot be exploited by a specially-crafted
They 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
contains Thunderbird version 17.0.6 ESR, which corrects these issues. After
installing the update, Thunderbird must be restarted for the changes to
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Am I vulnerable?
The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.
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Affected package information