modrdn.c in slapd in OpenLDAP 2.4.x before 2.4.24 allows remote attackers to cause a denial of service (daemon crash) via a relative Distinguished Name (DN) modification request (aka MODRDN operation) that contains an empty value for the OldDN field.
https://exchange.xforce.ibmcloud.com/vulnerabilities/66239
https://bugzilla.novell.com/show_bug.cgi?id=674985
http://www.vupen.com/english/advisories/2011/0665
http://www.ubuntu.com/usn/USN-1100-1
http://www.redhat.com/support/errata/RHSA-2011-0347.html
http://www.openldap.org/lists/openldap-announce/201102/msg00000.html
http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6768
http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/modrdn.c.diff?r1=1.170.2.8&r2=1.170.2.9
http://www.mandriva.com/security/advisories?name=MDVSA-2011:056
http://www.mandriva.com/security/advisories?name=MDVSA-2011:055
http://securitytracker.com/id?1025191
http://security.gentoo.org/glsa/glsa-201406-36.xml
http://secunia.com/advisories/43718
http://secunia.com/advisories/43331
http://openwall.com/lists/oss-security/2011/03/01/15
http://openwall.com/lists/oss-security/2011/03/01/11
http://openwall.com/lists/oss-security/2011/02/28/2
http://openwall.com/lists/oss-security/2011/02/28/1
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705