Secunia Security Advisory – blahplok has reported a vulnerability in pngcntrp, which can be exploited by malicious people to compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/38558/sa15981.txt
Source: https://packetstormsecurity.com/files/38558/Secunia-Security-Advisory-15981.html