Secunia Security Advisory – Fedora has issued an update for thunderbird and sunbird. This fixes some vulnerabilities, which can be exploited by malicious people to disclose potentially sensitive information, bypass certain security restrictions, and compromise a user’s system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/92123/sa40706.txt
Source: https://packetstormsecurity.com/files/92123/Secunia-Security-Advisory-40706.html