Secunia Security Advisory – Debian has issued an update for dovecot. This fixes some vulnerabilities, which can be exploited by malicious users to cause a DoS (Denial of Service) or compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/81623/sa36842.txt
Source: https://packetstormsecurity.com/files/81623/Secunia-Security-Advisory-36842.html