Google Chrome before 8.0.552.215 does not properly handle HTML5 databases, which allows attackers to cause a denial of service (application crash) via unspecified vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12236
http://secunia.com/advisories/42472
http://googlechromereleases.blogspot.com/2010/12/stable-beta-channel-updates.html