The extension subsystem in Google Chrome before 17.0.963.78 does not properly handle history navigation, which allows remote attackers to execute arbitrary code by leveraging a "Universal XSS (UXSS)" issue.
https://plus.google.com/u/0/116651741222993143554/posts/5Eq5d9XgFqs
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14686
http://www.zdnet.com/blog/security/cansecwest-pwnium-google-chrome-hacked-with-sandbox-bypass/10563
http://www.securitytracker.com/id?1026776
http://www.securityfocus.com/bid/52369
http://support.apple.com/kb/HT5282
http://security.gentoo.org/glsa/glsa-201203-19.xml
http://secunia.com/advisories/48527
http://secunia.com/advisories/48419
http://secunia.com/advisories/48321
http://secunia.com/advisories/47292
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00012.html
http://lists.apple.com/archives/security-announce/2012/May/msg00002.html
http://lists.apple.com/archives/security-announce/2012/May/msg00000.html
http://googlechromereleases.blogspot.com/2012/03/chrome-stable-channel-update.html