CVE-2011-3966
Use-after-free vulnerability in Google Chrome before 17.0.963.46 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to error handling for Cascading Style Sheets (CSS) token-sequence data.
Date published : 2012-02-08
http://lists.apple.com/archives/security-announce/2012/Jul/msg00000.html
http://lists.apple.com/archives/security-announce/2012/Sep/msg00001.html