Multiple buffer overflows in the Message Parsing Interpreter (MPI) in Fuzzball MUCK before 6.07 allow remote attackers to execute arbitrary code via crafted messages.
https://exchange.xforce.ibmcloud.com/vulnerabilities/30448
http://www.vupen.com/english/advisories/2006/4637
http://www.securityfocus.com/bid/21217
http://sourceforge.net/project/shownotes.php?release_id=465373&group_id=1596