The NCP Engine in Novell eDirectory before 8.7.3.8 FTF1 allows remote attackers to cause an unspecified denial of service via a certain "NCP Fragment."
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-5464
http://support.novell.com/cgi-bin/search/searchtid.cgi?/2974600.htm