The remote Oracle Linux host is missing a security update.
From Red Hat Security Advisory 2013:1269 :
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-2013-1718, CVE-2013-1722, CVE-2013-1725,
CVE-2013-1730, CVE-2013-1732, CVE-2013-1735, CVE-2013-1736)
add-on code make incorrect, security sensitive decisions.
Red Hat would like to thank the Mozilla project for reporting these
issues. Upstream acknowledges AndrÃ© Bargull, Scoobidiver, Bobby
Holley, Reuben Morais, Abhishek Arya, Ms2ger, Sachin Shinde, Aki
Helin, Nils, and Boris Zbarsky 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.
All Thunderbird users should upgrade to this updated package, which
contains Thunderbird version 17.0.9 ESR, which corrects these issues.
After installing the update, Thunderbird must be restarted for the
changes to take effect.
See also :
Update the affected thunderbird package.
Risk factor :
Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.7
Public Exploit Available : false