CGI handler in John Roy Pi3Web for Windows 2.0 beta 1 and 2 allows remote attackers to cause a denial of service (crash) via a series of requests whose physical path is exactly 260 characters long and ends in a series of . (dot) characters.
http://www.securityfocus.com/bid/3866
http://www.iss.net/security_center/static/7880.php
http://sourceforge.net/tracker/index.php?func=detail&aid=505583&group_id=17753&atid=317753
http://online.securityfocus.com/archive/1/250126