Secunia Security Advisory – A vulnerability has been reported in libpng, 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/69745/sa31781.txt
Source: https://packetstormsecurity.com/files/69745/Secunia-Security-Advisory-31781.html