Secunia Security Advisory – Debian has issued an update for ipsec-tools. This fixes two vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/77718/sa35153.txt
Source: https://packetstormsecurity.com/files/77718/Secunia-Security-Advisory-35153.html