Secunia Security Advisory – Red Hat has issued an update for dovecot. This fixes a weakness and a security issue, 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/66714/sa30342.txt
Source: https://packetstormsecurity.com/files/66714/Secunia-Security-Advisory-30342.html