The LDAP service in Microsoft Active Directory, Active Directory Application Mode (ADAM), Active Directory Lightweight Directory Service (AD LDS), and Active Directory Services allows remote attackers to cause a denial of service (memory consumption and service outage) via a crafted query, aka "Memory Consumption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16463
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-032