Unknown vulnerability in ns-ldapd for Sun ONE Directory Server 4.16, 5.0, and 5.1 allows LDAP clients to cause a denial of service (service halt).
https://euvd.enisa.europa.eu/vulnerability/EUVD-2003-1115
http://www.kb.cert.org/vuls/id/195644
http://sunsolve.sun.com/search/document.do?assetkey=1-26-52102-1