The leetnet functions (leetnet/rudp.cpp) in Outgun 1.0.3 bot 2 and earlier allow remote attackers to cause a denial of service (game interruption) via large packets, which cause an exception to be thrown.
aluigi.altervista.org/adv/outgunx-adv.txt
secunia.com/advisories/20098
securityreason.com/securityalert/898
www.osvdb.org/25488
www.securityfocus.com/archive/1/433932/100/0/threaded
www.securityfocus.com/bid/17985
www.vupen.com/english/advisories/2006/1796
exchange.xforce.ibmcloud.com/vulnerabilities/26511