ns-slapd in 389 Directory Server before 1.3.0.8 allows remote attackers to cause a denial of service (server crash) via a crafted Distinguished Name (DN) in a MOD operation request.
https://bugzilla.redhat.com/show_bug.cgi?id=999634
http://secunia.com/advisories/54650
http://secunia.com/advisories/54586