Synopsis: Important: thunderbird security update
Advisory ID: SLSA-2013:1823-1
Issue Date: 2013-12-11
CVE Numbers: CVE-2013-5609
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-2013-5609, CVE-2013-5616, CVE-2013-5618, CVE-2013-6671,
A flaw was found in the way Thunderbird rendered web content with missing
character encoding information. An attacker could use this flaw to
possibly bypass same-origin inheritance and perform cross site-scripting
(XSS) attacks. (CVE-2013-5612)
It was found that certain malicious web content could bypass restrictions
applied by sandboxed iframes. An attacker could combine this flaw with
other vulnerabilities to execute arbitrary code with the privileges of the
user running Thunderbird. (CVE-2013-5614)
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.
After installing the update, Thunderbird must be restarted for the changes
to take effect.
– Scientific Linux Development Team