Microsoft Internet Explorer contains a flaw that may allow a malicious user to cause IE7 to enter a loop in which IE7 become unresponsive resulting in a recoverable denial of service issue.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/56312/iedos-issue.txt
Source: https://packetstormsecurity.com/files/56312/iedos-issue.txt.html