The core_get_proxyauth_dn function in ns-slapd in Sun Java System Directory Server Enterprise Edition 7.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted LDAP Search Request message.
https://exchange.xforce.ibmcloud.com/vulnerabilities/55511
http://www.vupen.com/english/advisories/2010/0085