Use-after-free vulnerability in Google Chrome before 23.0.1271.97 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to visibility events.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16064
https://code.google.com/p/chromium/issues/detail?id=158204
http://lists.opensuse.org/opensuse-updates/2012-12/msg00073.html
http://googlechromereleases.blogspot.com/2012/12/stable-channel-update.html