Buffer overflow in nLDAP.exe in IBM Lotus Domino allows remote attackers to execute arbitrary code via a long string in an LDAP Bind operation, aka SPR KLYH87LMVX.
http://zerodayinitiative.com/advisories/ZDI-11-047/
http://www.protekresearchlab.com/index.php?option=com_content&view=article&id=23&Itemid=23
http://www.exploit-db.com/exploits/16190/