America's Army (aka AA or Army Game Project) 2.8.3.1 and earlier allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted UDP packet, probably involving a VoiceIndex value that is outside of the range specified by VOICE_MAX_CHATTERS.

More... (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-3492)