The Cascading Style Sheets (CSS) implementation in Google Chrome before 5.0.375.99 does not properly perform style rendering, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12028
http://googlechromereleases.blogspot.com/2010/07/stable-channel-update.html