Buffer overflow in the portmapper service (PMAP.NLM) in Novell NetWare 6 SP3 and ZenWorks for Desktops 3.2 SP2 through 4.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via unknown attack vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/13564
http://www.securityfocus.com/bid/8907
http://support.novell.com/cgi-bin/search/searchtid.cgi?/10088194.htm