Secunia Security Advisory – Debian has issued an update for gnutls13. This fixes a vulnerability, which can be exploited by malicious people to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/74857/sa33694.txt
Source: https://packetstormsecurity.com/files/74857/Secunia-Security-Advisory-33694.html