Secunia Security Advisory – Debian has issued an update for xml-security-c. This fixes a security issue, which can be exploited by malicious people to conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/79904/sa36089.txt
Source: https://packetstormsecurity.com/files/79904/Secunia-Security-Advisory-36089.html