Buffer overflow in the Client Detection Tool (CDT) plugin (npcdt.dll) for Netscape 7.02 allows remote attackers to execute arbitrary code via an attachment with a long filename.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2003-0547
http://marc.info/?l=bugtraq&m=105820193406838&w=2
http://jimmers.russia.webmatrixhosting.net/whitepapers/CDTbug.pdf