Google Chrome before 20.0.1132.43 allows remote attackers to obtain potentially sensitive information from a fragment identifier by leveraging access to an IFRAME element associated with a different domain.
code.google.com/p/chromium/issues/detail?id=118633
googlechromereleases.blogspot.com/2012/06/stable-channel-update_26.html
lists.apple.com/archives/security-announce/2012/Jul/msg00000.html
lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
support.apple.com/kb/HT5400
support.apple.com/kb/HT5503
hermes.opensuse.org/messages/15075728
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15662