Secunia Security Advisory – Gerardo Richarte has reported a vulnerability in Enigmail, which can be exploited by malicious people to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/54861/sa24416.txt
Source: https://packetstormsecurity.com/files/54861/Secunia-Security-Advisory-24416.html