Google V8, as used in Google Chrome before 14.0.835.163, does not properly implement script object wrappers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14336
http://googlechromereleases.blogspot.com/2011/09/stable-channel-update_16.html