Google V8, as used in Google Chrome before 2.0.172.43, allows remote attackers to bypass intended restrictions on reading memory, and possibly obtain sensitive information or execute arbitrary code in the Chrome sandbox, via crafted JavaScript.
https://exchange.xforce.ibmcloud.com/vulnerabilities/52902
http://www.vupen.com/english/advisories/2009/2420
http://www.securitytracker.com/id?1022773
http://www.securityfocus.com/bid/36149
http://secunia.com/advisories/36417
http://googlechromereleases.blogspot.com/2009/08/stable-update-security-fixes.html