Google Chrome before 6.0.472.53 does not properly restrict copying to the clipboard, which has unspecified impact and attack vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12052
http://www.vupen.com/english/advisories/2011/0552
http://www.vupen.com/english/advisories/2010/2722
http://www.ubuntu.com/usn/USN-1006-1
http://www.securityfocus.com/bid/44216
http://www.mandriva.com/security/advisories?name=MDVSA-2011:039
http://secunia.com/advisories/41856
http://googlechromereleases.blogspot.com/2010/09/stable-and-beta-channel-updates.html