Multiple integer overflows in Skia, as used in Google Chrome before 4.0.249.78, allow remote attackers to execute arbitrary code in the Chrome sandbox or cause a denial of service (memory corruption and application crash) via vectors involving CANVAS elements.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13852
http://sites.google.com/a/chromium.org/dev/Home/chromium-security/chromium-security-bugs
http://securitytracker.com/id?1023506
http://googlechromereleases.blogspot.com/2010/01/stable-channel-update_25.html
http://code.google.com/p/chromium/issues/detail?id=8864