Google Chrome before 9.0.597.107 does not properly implement key frame rules, 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%3A14415
https://exchange.xforce.ibmcloud.com/vulnerabilities/65728
http://www.securityfocus.com/bid/46614
http://googlechromereleases.blogspot.com/2011/02/stable-channel-update_28.html