Secunia Security Advisory – Ubuntu has issued an update for mozilla-thunderbird. This fixes a weakness and some vulnerabilities, which can be exploited by malicious people to conduct cross-site scripting and spoofing attacks, manipulate certain data, expose sensitive information, or compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60396/sa27383.txt
Source: https://packetstormsecurity.com/files/60396/Secunia-Security-Advisory-27383.html