Google Chrome before 11.0.696.57 does not properly handle floating objects, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to a "stale pointer."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13705
http://googlechromereleases.blogspot.com/2011/04/chrome-stable-update.html