Index: src/network/network_server.cpp
===================================================================
--- src/network/network_server.cpp	(revision 10073)
+++ src/network/network_server.cpp	(working copy)
@@ -850,7 +850,10 @@
 
 	callback = p->Recv_uint8();
 
-	if (cs->has_quit) return;
+	if (cs->has_quit) {
+		free(cp);
+		return;
+	}
 
 	ci = DEREF_CLIENT_INFO(cs);
 
@@ -858,11 +861,13 @@
 	if (!IsValidCommand(cp->cmd)) {
 		IConsolePrintF(_icolour_err, "WARNING: invalid command from client %d (IP: %s).", ci->client_index, GetPlayerIP(ci));
 		SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_NOT_EXPECTED);
+		free(cp);
 		return;
 	}
 
 	if (!CheckCommandFlags(cp, ci)) {
 		SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_KICKED);
+		free(cp);
 		return;
 	}
 
@@ -874,6 +879,7 @@
 		IConsolePrintF(_icolour_err, "WARNING: player %d (IP: %s) tried to execute a command as player %d, kicking...",
 		               ci->client_playas + 1, GetPlayerIP(ci), cp->player + 1);
 		SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_PLAYER_MISMATCH);
+		free(cp);
 		return;
 	}
 
@@ -885,6 +891,7 @@
 	if (cp->cmd == CMD_PLAYER_CTRL) {
 		if (cp->p1 != 0) {
 			SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_CHEATER);
+			free(cp);
 			return;
 		}