Google Chrome before 28.0.1500.95 does not properly handle frames, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.
https://src.chromium.org/viewvc/blink?revision=153929&view=revision
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17348
https://code.google.com/p/chromium/issues/detail?id=257748
http://www.debian.org/security/2013/dsa-2732
http://googlechromereleases.blogspot.com/2013/07/stable-channel-update_30.html