Secunia Security Advisory – Debian has issued an update for gpdf. This fixes a vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service) on a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48788/sa21339.txt
Source: https://packetstormsecurity.com/files/48788/Secunia-Security-Advisory-21339.html