CVE-2009-1528
Microsoft Internet Explorer 6 and 7 for Windows XP SP2 and SP3; 6 and 7 for Server 2003 SP2; 7 for Vista Gold, SP1, and SP2; and 7 for Server 2008 SP2 does not properly synchronize AJAX requests, which allows allows remote attackers to execute arbitrary code via a large number of concurrent, asynchronous XMLHttpRequest calls, aka "HTML Object Memory Corruption Vulnerability."
Date published : 2009-06-10
http://www.securityfocus.com/bid/35222
http://www.securityfocus.com/archive/1/504206/100/0/threaded