Google Chrome before 18.0.1025.151 allows remote attackers to bypass the Same Origin Policy via vectors related to replacement of IFRAME elements.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15342
https://exchange.xforce.ibmcloud.com/vulnerabilities/74627
http://www.securitytracker.com/id?1026892
http://www.securityfocus.com/bid/52913
http://support.apple.com/kb/HT5503
http://support.apple.com/kb/HT5400
http://security.gentoo.org/glsa/glsa-201204-03.xml
http://secunia.com/advisories/48749
http://secunia.com/advisories/48732
http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
http://lists.apple.com/archives/security-announce/2012/Jul/msg00000.html
http://googlechromereleases.blogspot.com/2012/04/stable-and-beta-channel-updates.html