Integer overflow in libpng, as used in Google Chrome before 17.0.963.56, allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that trigger an integer truncation.
code.google.com/p/chromium/issues/detail?id=112822
googlechromereleases.blogspot.com/2012/02/chrome-stable-update.html
lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
lists.opensuse.org/opensuse-security-announce/2012-02/msg00020.html
lists.opensuse.org/opensuse-security-announce/2012-02/msg00023.html
secunia.com/advisories/48016
secunia.com/advisories/48110
secunia.com/advisories/49660
security.gentoo.org/glsa/glsa-201206-15.xml
support.apple.com/kb/HT5501
support.apple.com/kb/HT5503
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15032