Google Chrome before 9.0.597.107 does not properly handle XHTML documents, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to "stale nodes."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14487
https://exchange.xforce.ibmcloud.com/vulnerabilities/65735
http://www.securityfocus.com/bid/46614
http://support.apple.com/kb/HT4999
http://support.apple.com/kb/HT4981
http://support.apple.com/kb/HT4808
http://lists.apple.com/archives/security-announce/2011//Jul/msg00002.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00000.html
http://googlechromereleases.blogspot.com/2011/02/stable-channel-update_28.html