Secunia Security Advisory – Mandriva has issued an update for netpbm. This fixes a vulnerability, 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/60744/sa27489.txt
Source: https://packetstormsecurity.com/files/60744/Secunia-Security-Advisory-27489.html

