--- src/d_loop.c
+++ src/d_loop.c
@@ -424,6 +424,11 @@ void D_StartNetGame(net_gamesettings_t *
     ticdup = settings->ticdup;
     new_sync = settings->new_sync;
 
+    if (ticdup < 1)
+    {
+        I_Error("D_StartNetGame: invalid ticdup value (%d)", ticdup);
+    }
+
     // TODO: Message disabled until we fix new_sync.
     //if (!new_sync)
     //{
--- src/net_structrw.c
+++ src/net_structrw.c
@@ -116,7 +116,7 @@ boolean NET_ReadSettings(net_packet_t *p
         return false;
     }
 
-    for (i = 0; i < settings->num_players; ++i)
+    for (i = 0; i < settings->num_players && i < NET_MAXPLAYERS; ++i)
     {
         if (!NET_ReadInt8(packet,
                           (unsigned int *) &settings->player_classes[i]))
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -1,7 +1,7 @@
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 cmake_minimum_required(VERSION 3.7.2)
-project("Chocolate Doom" VERSION 3.0.0 LANGUAGES C)
+project("Chocolate Doom" VERSION 3.0.1 LANGUAGES C)
 
 # Autotools variables
 set(top_srcdir ${CMAKE_CURRENT_SOURCE_DIR})