Google Chrome before 23.0.1271.91 on Mac OS X does not properly mitigate improper rendering behavior in the Intel GPU driver, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
https://code.google.com/p/chromium/issues/detail?id=152746
http://www.securitytracker.com/id?1027815
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00004.html
http://googlechromereleases.blogspot.com/2012/11/stable-channel-update.html