Sun Java System Directory Proxy Server in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3, when a JDBC data source is used, does not properly handle (1) a long value in an ADD or (2) long string attributes, which allows remote attackers to cause a denial of service (JDBC backend outage) via crafted LDAP requests.
http://www.securityfocus.com/bid/33761
http://sunsolve.sun.com/search/document.do?assetkey=1-66-251086-1
http://sunsolve.sun.com/search/document.do?assetkey=1-21-125276-08-1