Secunia Security Advisory – Fedora has issued an update for thunderbird. This fixes some vulnerabilities, which can be exploited by malicious people to conduct spoofing attacks, bypass certain security restrictions, or to compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80440/sa36340.txt
Source: https://packetstormsecurity.com/files/80440/Secunia-Security-Advisory-36340.html