Secunia Security Advisory – Debian has issued an update for strongswan. This fixes some 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/81815/sa36922.txt
Source: https://packetstormsecurity.com/files/81815/Secunia-Security-Advisory-36922.html