Memory leak in the LDAP service in Active Directory on Microsoft Windows 2000 SP4 and Server 2003 SP2, and Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2, allows remote attackers to cause a denial of service (memory consumption and service outage) via (1) LDAP or (2) LDAPS requests with unspecified OID filters, aka "Active Directory Memory Leak Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6253
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-018
http://www.vupen.com/english/advisories/2009/1537
http://www.us-cert.gov/cas/techalerts/TA09-160A.html
http://www.securitytracker.com/id?1022349
http://www.securityfocus.com/bid/35225
http://support.avaya.com/elmodocs2/security/ASA-2009-214.htm