Secunia Security Advisory – Debian has issued an update for courier-authlib. This fixes some vulnerabilities, which can be exploited by malicious people to conduct SQL injection attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/73227/sa33259.txt
Source: https://packetstormsecurity.com/files/73227/Secunia-Security-Advisory-33259.html