CVE-2011-1456
Google Chrome before 11.0.696.57 does not properly handle PDF forms, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to "stale pointers."
Date published : 2011-05-03
http://code.google.com/p/chromium/issues/detail?id=79364
http://googlechromereleases.blogspot.com/2011/04/chrome-stable-update.html