CVE-2007-6698
The BDB backend for slapd in OpenLDAP before 2.3.36 allows remote authenticated users to cause a denial of service (crash) via a potentially-successful modify operation with the NOOP control set to critical, possibly due to a double free vulnerability.
Date published : 2008-02-01
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html