CVE-2012-5129
Heap-based buffer overflow in the WebGL subsystem in Google Chrome OS before 23.0.1271.94 allows remote attackers to cause a denial of service (GPU process crash) or possibly have unspecified other impact via unknown vectors.
Date published : 2012-12-03
http://googlechromereleases.blogspot.com/2012/11/stable-update-for-chrome-os_30.html