Technical Cyber Security Alert TA04-217A – All applications and systems that use the libpng library versions 1.2.5 and below are susceptible to several vulnerabilities, the most serious of which could allow a remote attacker to execute arbitrary code on an affected system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/33970/TA04-217A.txt
Source: https://packetstormsecurity.com/files/33970/Technical-Cyber-Security-Alert-2004-217A.html