Use-after-free vulnerability in Google Chrome before 17.0.963.46 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors involving Cascading Style Sheets (CSS) token sequences.
lists.apple.com/archives/security-announce/2012/Jul/msg00000.html
lists.apple.com/archives/security-announce/2012/Sep/msg00001.html
lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
support.apple.com/kb/HT5400
support.apple.com/kb/HT5485
support.apple.com/kb/HT5503
code.google.com/p/chromium/issues/detail?id=109743
googlechromereleases.blogspot.com/2012/02/stable-channel-update.html
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14483