Secunia Security Advisory – Red Hat has issued an update for fetchmail. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) or conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/81084/sa36612.txt
Source: https://packetstormsecurity.com/files/81084/Secunia-Security-Advisory-36612.html