Mandriva Linux Security Advisory – Multiple vulnerabilities were discovered in libpng including an off-by-one error and out of bounds read errors.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60880/MDKSA-2007-217.txt
Source: https://packetstormsecurity.com/files/60880/Mandriva-Linux-Security-Advisory-2007.217.html