Google V8 before 3.13.7.5, as used in Google Chrome before 23.0.1271.64, on 64-bit Linux platforms allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted JavaScript code that triggers an out-of-bounds access to an array.
http://googlechromereleases.blogspot.com/2012/11/stable-channel-release-and-beta-channel.html