Google Chrome before 14.0.835.163 does not properly handle boxes, which allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14224
https://exchange.xforce.ibmcloud.com/vulnerabilities/69876
http://support.apple.com/kb/HT4999
http://support.apple.com/kb/HT4981
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00004.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/2011/09/stable-channel-update_16.html