CVE-2011-1449
Use-after-free vulnerability in the WebSockets implementation in Google Chrome before 11.0.696.57 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
Date published : 2011-05-03
http://lists.apple.com/archives/security-announce/2011//Jul/msg00002.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00000.html