Synopsis: Critical: thunderbird security update
Issue Date: 2012-10-09
CVE Numbers: CVE-2012-1956
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-2012-3982,
CVE-2012-3988, CVE-2012-3990, CVE-2012-3995, CVE-2012-4179, CVE-2012-4180,
CVE-2012-4181, CVE-2012-4182, CVE-2012-4183, CVE-2012-4185, CVE-2012-4186,
Two flaws in Thunderbird could allow malicious content to bypass intended
restrictions, possibly leading to information disclosure, or Thunderbird
executing arbitrary code. Note that the information disclosure issue could
possibly be combined with other flaws to achieve arbitrary code execution.
Multiple flaws were found in the location object implementation in
Thunderbird. Malicious content could be used to perform cross-site
scripting attacks, script injection, or spoofing attacks. (CVE-2012-1956,
Two flaws were found in the way Chrome Object Wrappers were implemented.
Malicious content could be used to perform cross-site scripting attacks or
cause Thunderbird to execute arbitrary code. (CVE-2012-3993, CVE-2012-4184)
Note: None of the issues in this advisory can be exploited by a
for mail messages. 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
– Scientific Linux Development Team