Secunia Security Advisory – Fedora has issued an update for thunderbird and sunbird. This fixes a vulnerability, which can be exploited by malicious people to compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/92942/sa41031.txt
Source: https://packetstormsecurity.com/files/92942/Secunia-Security-Advisory-41031.html