Secunia Security Advisory – Ubuntu has issued an update for mozilla-thunderbird and thunderbird. This fixes some vulnerabilities, which can be exploited by malicious people to to disclose sensitive information, bypass certain security restrictions, or compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/72320/sa32878.txt
Source: https://packetstormsecurity.com/files/72320/Secunia-Security-Advisory-32878.html