Secunia Security Advisory – A weakness has been reported in Dovecot, which can be exploited by malicious users to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/58234/sa26320.txt
Source: https://packetstormsecurity.com/files/58234/Secunia-Security-Advisory-26320.html