Secunia Security Advisory – Gerardo Richarte has reported a vulnerability in GNUMail, 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/54855/sa24417.txt
Source: https://packetstormsecurity.com/files/54855/Secunia-Security-Advisory-24417.html