Secunia Security Advisory – Fedora has issued an update for libpng and libpng10. 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/60399/sa27369.txt
Source: https://packetstormsecurity.com/files/60399/Secunia-Security-Advisory-27369.html