Buffer overflow in the BMP reader in OptiPNG 0.6 and 0.6.1 allows user-assisted attackers to execute arbitrary code via a crafted BMP image, related to an "array overflow."
https://exchange.xforce.ibmcloud.com/vulnerabilities/46519
http://www.vupen.com/english/advisories/2008/3108
http://www.securityfocus.com/bid/32248
http://sourceforge.net/project/shownotes.php?release_id=639631&group_id=151404
http://security.gentoo.org/glsa/glsa-200812-01.xml
http://secunia.com/advisories/34259
http://secunia.com/advisories/32651
http://optipng.sourceforge.net/
http://openwall.com/lists/oss-security/2008/11/12/1
http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html