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.
https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00105.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10748
https://bugzilla.redhat.com/show_bug.cgi?id=431203
http://www.vupen.com/english/advisories/2009/3184
http://www.ubuntu.com/usn/usn-584-1
http://www.securitytracker.com/id?1019480
http://www.securityfocus.com/bid/26245
http://www.securityfocus.com/archive/1/488242/100/200/threaded
http://www.redhat.com/support/errata/RHSA-2008-0110.html
http://www.openldap.org/lists/openldap-bugs/200704/msg00068.html
http://www.openldap.org/lists/openldap-bugs/200704/msg00067.html
http://www.mandriva.com/security/advisories?name=MDVSA-2008:058
http://www.debian.org/security/2008/dsa-1541
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0059
http://wiki.rpath.com/Advisories:rPSA-2008-0059
http://support.apple.com/kb/HT3937
http://secunia.com/advisories/29957
http://secunia.com/advisories/29682
http://secunia.com/advisories/29256
http://secunia.com/advisories/29225
http://secunia.com/advisories/29068
http://secunia.com/advisories/28953
http://secunia.com/advisories/28817
http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00011.html
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html