Master of Orion III 1.2.5 and earlier allows remote attackers to cause a denial of service (server crash) via multiple connections with long nicknames, possibly triggering a buffer overflow.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17884
http://secunia.com/advisories/13008
http://packetstormsecurity.nl/0410-advisories/masterOrionIII.txt