CVE-2017-17740: Improper Restriction of Operations within the Bounds of a Memory Buffer

contrib/slapd-modules/nops/nops.c in OpenLDAP through 2.4.45, when both the nops module and the memberof overlay are enabled, attempts to free a buffer that was allocated on the stack, which allows remote attackers to cause a denial of service slapd crash via a member MODDN operation...