The Web Sockets implementation in Google Chrome before 7.0.517.41 does not properly handle a shutdown action, which allows remote attackers to cause a denial of service (application crash) via unspecified vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13930
http://www.vupen.com/english/advisories/2010/2731
http://www.securityfocus.com/bid/44241
http://googlechromereleases.blogspot.com/2010/10/stable-channel-update.html