Secunia Security Advisory – Debian has issued an update for gnutls13. This fixes some vulnerabilities, which can be exploited to cause a DoS (Denial of Service) or to potentially compromise an application using the library.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/66578/sa30324.txt
Source: https://packetstormsecurity.com/files/66578/Secunia-Security-Advisory-30324.html