This script is Copyright (C) 2013-2015 Tenable Network Security, Inc.
The remote Oracle Linux host is missing a security update.
From Red Hat Security Advisory 2011:1438 :
An updated thunderbird package that fixes one security issue is now
available for Red Hat Enterprise Linux 4 and 5.
The Red Hat Security Response Team has rated this update as having
moderate security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from
the CVE link in the References section.
Mozilla Thunderbird is a standalone mail and newsgroup client.
A cross-site scripting (XSS) flaw was found in the way Thunderbird
handled certain multibyte character sets. Malicious, remote content
different remote content. (CVE-2011-3648)
Note: This issue cannot be exploited by a specially crafted HTML mail
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
resolves this issue. All running instances of Thunderbird must be
restarted for the update to take effect.
See also :
Update the affected thunderbird package.
Risk factor :
Medium / CVSS Base Score : 4.3