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, disclose sensitive information, and to compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/68927/sa31403.txt
Source: https://packetstormsecurity.com/files/68927/Secunia-Security-Advisory-31403.html