SolarWinds TFTP server 5.0.55 and earlier allows remote attackers to cause a denial of service (crash) via a large UDP datagram, possibly triggering a buffer overflow.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-1524
http://www.securityfocus.com/bid/6043
http://www.iss.net/security_center/static/10462.php
http://archives.neohapsis.com/archives/vulnwatch/2002-q4/0040.html
http://archives.neohapsis.com/archives/bugtraq/2002-10/0344.html