CVE-2011-3105
Use-after-free vulnerability in the Cascading Style Sheets (CSS) implementation in Google Chrome before 19.0.1084.52 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the :first-letter pseudo-element.
Date published : 2012-05-24
http://lists.apple.com/archives/security-announce/2012/Sep/msg00001.html
http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html