The remote Red Hat host is missing one or more security updates.
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 web content. A
web page containing malicious content could cause Thunderbird to crash
or, potentially, execute arbitrary code with the privileges of the
user running Thunderbird. (CVE-2014-1493, CVE-2014-1510,
CVE-2014-1511, CVE-2014-1512, CVE-2014-1513, CVE-2014-1514)
Several information disclosure flaws were found in the way Thunderbird
processed malformed web content. An attacker could use these flaws to
gain access to sensitive information such as cross-domain content or
protected memory addresses or, potentially, cause Thunderbird to
crash. (CVE-2014-1497, CVE-2014-1508, CVE-2014-1505)
A memory corruption flaw was found in the way Thunderbird rendered
certain PDF files. An attacker able to trick a user into installing a
malicious extension could use this flaw to crash Thunderbird or,
potentially, execute arbitrary code with the privileges of the user
running Thunderbird. (CVE-2014-1509)
Red Hat would like to thank the Mozilla project for reporting these
issues. Upstream acknowledges Benoit Jacob, Olli Pettay, Jan Varga,
Jan de Mooij, Jesse Ruderman, Dan Gohman, Christoph Diehl, Atte
Kettunen, Tyson Smith, Jesse Schwartzentruber, John Thomson, Robert
O'Callahan, Mariusz Mlynski, JÃ¼ri Aedla, George Hotz, and the
security research firm VUPEN as the original reporters of these
Note: All of the above issues cannot be exploited by a specially
mail messages. They could be exploited another way in Thunderbird, for
example, when viewing the full remote content of an RSS feed.
For technical details regarding these flaws, refer to the Mozilla
security advisories for Thunderbird 24.4.0. You can find a link to the
Mozilla advisories in the References section of this erratum.
All Thunderbird users should upgrade to this updated package, which
contains Thunderbird version 24.4.0, which corrects these issues.
After installing the update, Thunderbird must be restarted for the
changes to take effect.
See also :
Update the affected thunderbird and / or thunderbird-debuginfo
Risk factor :
High / CVSS Base Score : 9.3
CVSS Temporal Score : 8.1
Public Exploit Available : true