Scorched 3D 39.1 (bf) and earlier allows remote attackers to cause a denial of service (long loop and server hang) via a negative numplayers value that bypasses a signed check in ServerConnectHandler.cpp.
http://www.vupen.com/english/advisories/2005/2288
http://www.securityfocus.com/bid/15292
http://www.gentoo.org/security/en/glsa/glsa-200511-12.xml