Google Chrome before 11.0.696.57 does not properly implement layering, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that lead to "stale pointers."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14627
https://exchange.xforce.ibmcloud.com/vulnerabilities/67150
http://googlechromereleases.blogspot.com/2011/04/chrome-stable-update.html