Buffer overflow in client/server Doom (csDoom) 0.7 and earlier allows remote attackers to (1) cause a denial of service via a long nickname…

Buffer overflow in client/server Doom (csDoom) 0.7 and earlier allows remote attackers to (1) cause a denial of service via a long nickname or teamname to the SV_SetupUserInfo function or (2) execute arbitrary code via a long string sent when joining a match or a long chat message to the SV_BroadcastPrintf function.