Buffer overflow in Microsoft Outlook Express 5.0, 5.5, and 6.0 allows remote attackers to cause a denial of service (crash) via a long <A HREF> link.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-2143
http://www.securityfocus.com/bid/5682
http://www.iss.net/security_center/static/10067.php
http://online.securityfocus.com/archive/1/291058
http://archives.neohapsis.com/archives/bugtraq/2002-09/0082.html