The implementation of unspecified DOM methods in Google Chrome before 5.0.375.70 allows remote attackers to bypass the Same Origin Policy via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12080
http://secunia.com/advisories/40072
http://googlechromereleases.blogspot.com/2010/06/stable-channel-update.html