Heap-based buffer overflow in the alpha strip capability in libpng 1.2.7 allows context-dependent attackers to cause a denial of service (crash) when the png_do_strip_filler function is used to strip alpha channels out of the image.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10780
https://exchange.xforce.ibmcloud.com/vulnerabilities/24396
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=179455
http://www.vupen.com/english/advisories/2006/0393
http://www.securityfocus.com/bid/16626
http://www.redhat.com/support/errata/RHSA-2006-0205.html
http://securitytracker.com/id?1015617
http://securitytracker.com/id?1015615
http://security.gentoo.org/glsa/glsa-200812-15.xml
http://secunia.com/advisories/33137