Google Chrome before 13.0.782.107 allows remote attackers to bypass the Same Origin Policy via vectors related to handling of the base URI.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13716
https://exchange.xforce.ibmcloud.com/vulnerabilities/68969
http://support.apple.com/kb/HT5000
http://support.apple.com/kb/HT4999
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00004.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
http://googlechromereleases.blogspot.com/2011/08/stable-channel-update.html