CVE-2012-2842
Use-after-free vulnerability in Google Chrome before 20.0.1132.57 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to counter handling.
Date published : 2012-07-12
http://lists.apple.com/archives/security-announce/2012/Sep/msg00001.html
http://lists.apple.com/archives/security-announce/2012/Sep/msg00005.html