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.
ftp://ftp.simplesystems.org/pub/libpng/png/src/libpng-1.2.8-README.txt
secunia.com/advisories/18654
secunia.com/advisories/18863
secunia.com/advisories/33137
security.gentoo.org/glsa/glsa-200812-15.xml
securitytracker.com/id?1015615
securitytracker.com/id?1015617
www.redhat.com/support/errata/RHSA-2006-0205.html
www.securityfocus.com/bid/16626
www.vupen.com/english/advisories/2006/0393
bugzilla.redhat.com/bugzilla/show_bug.cgi?id=179455
exchange.xforce.ibmcloud.com/vulnerabilities/24396
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10780