Google Chrome before 11.0.696.68 does not properly perform casts of variables during interaction with the WebKit engine, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14029
http://www.debian.org/security/2011/dsa-2245
http://googlechromereleases.blogspot.com/2011/05/stable-channel-update.html