Use-after-free vulnerability in Google Chrome before 13.0.782.107 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors involving floating styles.
http://code.google.com/p/chromium/issues/detail?id=86502
http://googlechromereleases.blogspot.com/2011/08/stable-channel-update.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00000.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00004.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/68952
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14078
http://support.apple.com/kb/HT4981