WebKit contains a use-after-free error in the 'CSSRuleList::deleteRule' [WebCore/css/CSSRuleList.cpp] and 'CSSStyleSheet::deleteRule' functions [WebCore/css/CSSStyleSheet.cpp] that is triggered when deleting CSS rules. With a specially crafted web page, a context-dependent attacker can dereference already freed memory and potentially execute arbitrary code.
Loss of Integrity
It has been reported that this issue has been fixed. Upgrade to version 1.2.7, or higher, to address this vulnerability.
Upgrade to Google Chrome version 8.0.552.237, or higher, to address this vulnerability.
The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO
warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright
holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.