Stack-based buffer overflow in the SMTP service in IBM Lotus Domino allows remote attackers to execute arbitrary code via long arguments in a filename parameter in a malformed MIME e-mail message, aka SPR KLYH889M8H.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-0928
http://zerodayinitiative.com/advisories/ZDI-11-049/