CVE-2011-3897
Use-after-free vulnerability in Google Chrome before 15.0.874.120 allows user-assisted remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to editing.
Date published : 2011-11-11
http://lists.apple.com/archives/security-announce/2012/Mar/msg00000.html
http://lists.apple.com/archives/security-announce/2012/Mar/msg00001.html