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/92173/sa40723.txt
Source: https://packetstormsecurity.com/files/92173/Secunia-Security-Advisory-40723.html