CVE-2011-1440
Use-after-free vulnerability in Google Chrome before 11.0.696.57 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the ruby element and Cascading Style Sheets (CSS) token sequences.
Date published : 2011-05-03
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00000.html
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00004.html