Secunia Security Advisory – Debian has issued an update for dovecot. This fixes a weakness, which can be exploited by malicious users to gain knowledge of potentially sensitive information.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/46804/sa20315.txt
Source: https://packetstormsecurity.com/files/46804/Secunia-Security-Advisory-20315.html