Google V8 before 3.13.7.5, as used in Google Chrome before 23.0.1271.64, does not properly perform write operations, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15221
https://code.google.com/p/chromium/issues/detail?id=157124
http://www.securityfocus.com/bid/56413
http://googlechromereleases.blogspot.com/2012/11/stable-channel-release-and-beta-channel.html