diff --git a/Core/GameEngine/Include/GameNetwork/GameInfo.h b/Core/GameEngine/Include/GameNetwork/GameInfo.h
index 5483bbeba58..06a44239451 100644
--- a/Core/GameEngine/Include/GameNetwork/GameInfo.h
+++ b/Core/GameEngine/Include/GameNetwork/GameInfo.h
@@ -302,6 +302,7 @@ class SkirmishGameInfo : public GameInfo, public Snapshot
 		for (Int i = 0; i< MAX_SLOTS; ++i)
 			setSlotPointer(i, &m_skirmishSlot[i]);
 	}
+	virtual ~SkirmishGameInfo() override {}
 };
 
 extern SkirmishGameInfo *TheSkirmishGameInfo;
diff --git a/Core/GameEngine/Include/GameNetwork/GameSpy/StagingRoomGameInfo.h b/Core/GameEngine/Include/GameNetwork/GameSpy/StagingRoomGameInfo.h
index d17569bc807..5ed92588a8b 100644
--- a/Core/GameEngine/Include/GameNetwork/GameSpy/StagingRoomGameInfo.h
+++ b/Core/GameEngine/Include/GameNetwork/GameSpy/StagingRoomGameInfo.h
@@ -96,6 +96,7 @@ class GameSpyStagingRoom : public GameInfo
 
 public:
 	GameSpyStagingRoom();
+	virtual ~GameSpyStagingRoom() override {}
 	virtual void reset() override;
 
 	void cleanUpSlotPointers();
diff --git a/Core/GameEngine/Include/GameNetwork/LANGameInfo.h b/Core/GameEngine/Include/GameNetwork/LANGameInfo.h
index 2d0cdbd202a..1296d47dcb4 100644
--- a/Core/GameEngine/Include/GameNetwork/LANGameInfo.h
+++ b/Core/GameEngine/Include/GameNetwork/LANGameInfo.h
@@ -79,6 +79,7 @@ class LANGameInfo : public GameInfo
 
 public:
 	LANGameInfo();
+	virtual ~LANGameInfo() override {}
 	void setSlot( Int slotNum, LANGameSlot slotInfo );	///< Set the slot state (human, open, AI, etc)
 	LANGameSlot* getLANSlot( Int slotNum );							///< Get the slot
 	const LANGameSlot* getConstLANSlot( Int slotNum ) const;							///< Get the slot
diff --git a/Core/GameEngine/Source/GameNetwork/ConnectionManager.cpp b/Core/GameEngine/Source/GameNetwork/ConnectionManager.cpp
index f347db5a83f..6f08930bd3c 100644
--- a/Core/GameEngine/Source/GameNetwork/ConnectionManager.cpp
+++ b/Core/GameEngine/Source/GameNetwork/ConnectionManager.cpp
@@ -2509,6 +2509,8 @@ void ConnectionManager::sendDisconnectChat(UnicodeString text) {
 
 	sendLocalCommandDirect(msg, 0xff ^ (1 << m_localSlot));
 	processDisconnectChat(msg);
+
+	msg->detach();
 }
 
 UnsignedShort ConnectionManager::sendFileAnnounce(AsciiString path, UnsignedByte playerMask)
diff --git a/Core/GameEngine/Source/GameNetwork/FirewallHelper.cpp b/Core/GameEngine/Source/GameNetwork/FirewallHelper.cpp
index 04e5f7166b0..0cb350227bc 100644
--- a/Core/GameEngine/Source/GameNetwork/FirewallHelper.cpp
+++ b/Core/GameEngine/Source/GameNetwork/FirewallHelper.cpp
@@ -1529,6 +1529,8 @@ Bool FirewallHelperClass::openSpareSocket(UnsignedShort port) {
 
 	if (m_spareSockets[i].udp->Bind((UnsignedInt)0, port) != 0) {
 		DEBUG_CRASH(("FirewallHelperClass::openSpareSocket - Failed to init spare socket"));
+		delete m_spareSockets[i].udp;
+		m_spareSockets[i].udp = nullptr;
 		return FALSE;
 	}
 
diff --git a/Core/GameEngine/Source/GameNetwork/LANAPI.cpp b/Core/GameEngine/Source/GameNetwork/LANAPI.cpp
index ef244dd8675..e5d5accb78f 100644
--- a/Core/GameEngine/Source/GameNetwork/LANAPI.cpp
+++ b/Core/GameEngine/Source/GameNetwork/LANAPI.cpp
@@ -693,6 +693,7 @@ void LANAPI::RequestGameLeave()
 		// Exit out immediately if we're hosting
 		OnPlayerLeave(m_name);
 		removeGame(m_currentGame);
+		delete m_currentGame;
 		m_currentGame = nullptr;
 		m_inLobby = true;
 	}
diff --git a/Core/GameEngine/Source/GameNetwork/LANAPICallbacks.cpp b/Core/GameEngine/Source/GameNetwork/LANAPICallbacks.cpp
index 701ef3e987e..5075b7cfba0 100644
--- a/Core/GameEngine/Source/GameNetwork/LANAPICallbacks.cpp
+++ b/Core/GameEngine/Source/GameNetwork/LANAPICallbacks.cpp
@@ -233,6 +233,7 @@ void LANAPI::OnGameStart()
 			DEBUG_LOG(("After transfer, we didn't really have the map.  Bailing..."));
 			OnPlayerLeave(m_name);
 			removeGame(m_currentGame);
+			delete m_currentGame;
 			m_currentGame = nullptr;
 			m_inLobby = TRUE;
 
diff --git a/Core/GameEngine/Source/GameNetwork/LANAPIhandlers.cpp b/Core/GameEngine/Source/GameNetwork/LANAPIhandlers.cpp
index 7f88b835f86..6aa2956df0d 100644
--- a/Core/GameEngine/Source/GameNetwork/LANAPIhandlers.cpp
+++ b/Core/GameEngine/Source/GameNetwork/LANAPIhandlers.cpp
@@ -567,6 +567,7 @@ void LANAPI::handleRequestLobbyLeave( LANMessage *msg, UnsignedInt senderIP )
 			if (player->getIP() == senderIP)
 			{
 				removePlayer(player);
+				delete player;
 				OnPlayerList(m_lobbyPlayers);
 				break;
 			}
diff --git a/Core/GameEngine/Source/GameNetwork/udp.cpp b/Core/GameEngine/Source/GameNetwork/udp.cpp
index e5f30ccb795..e3ab907928b 100644
--- a/Core/GameEngine/Source/GameNetwork/udp.cpp
+++ b/Core/GameEngine/Source/GameNetwork/udp.cpp
@@ -174,6 +174,8 @@ Int UDP::Bind(UnsignedInt IP,UnsignedShort Port)
   {
     status=GetStatus();
     //CERR("Bind failure (" << status << ") IP " << IP << " PORT " << Port )
+    closesocket(fd);
+    fd=0;
     return(status);
   }
 
diff --git a/Generals/Code/GameEngine/Include/Common/Recorder.h b/Generals/Code/GameEngine/Include/Common/Recorder.h
index bd7b030e146..110e58bbc3f 100644
--- a/Generals/Code/GameEngine/Include/Common/Recorder.h
+++ b/Generals/Code/GameEngine/Include/Common/Recorder.h
@@ -42,6 +42,7 @@ class ReplayGameInfo : public GameInfo
 		for (Int i = 0; i< MAX_SLOTS; ++i)
 			setSlotPointer(i, &m_ReplaySlot[i]);
 	}
+	virtual ~ReplayGameInfo() override {}
 };
 
 enum RecorderModeType CPP_11(: Int) {
diff --git a/Generals/Code/GameEngine/Include/GameNetwork/GameSpyGameInfo.h b/Generals/Code/GameEngine/Include/GameNetwork/GameSpyGameInfo.h
index 5d136972f72..9664361f0c4 100644
--- a/Generals/Code/GameEngine/Include/GameNetwork/GameSpyGameInfo.h
+++ b/Generals/Code/GameEngine/Include/GameNetwork/GameSpyGameInfo.h
@@ -67,6 +67,7 @@ class GameSpyGameInfo : public GameInfo
 
 public:
 	GameSpyGameInfo();
+	virtual ~GameSpyGameInfo() override {}
 
 	inline void setServer(SBServer server) { m_server = server; }
 	inline SBServer getServer() { return m_server; }
diff --git a/GeneralsMD/Code/GameEngine/Include/Common/Recorder.h b/GeneralsMD/Code/GameEngine/Include/Common/Recorder.h
index fba73ad5ec3..1a82d84adfc 100644
--- a/GeneralsMD/Code/GameEngine/Include/Common/Recorder.h
+++ b/GeneralsMD/Code/GameEngine/Include/Common/Recorder.h
@@ -44,6 +44,7 @@ class ReplayGameInfo : public GameInfo
 		for (Int i = 0; i< MAX_SLOTS; ++i)
 			setSlotPointer(i, &m_ReplaySlot[i]);
 	}
+	virtual ~ReplayGameInfo() override {}
 };
 
 enum RecorderModeType CPP_11(: Int) {
diff --git a/GeneralsMD/Code/GameEngine/Include/GameNetwork/GameSpyGameInfo.h b/GeneralsMD/Code/GameEngine/Include/GameNetwork/GameSpyGameInfo.h
index a1acedac598..4b1e8ee7100 100644
--- a/GeneralsMD/Code/GameEngine/Include/GameNetwork/GameSpyGameInfo.h
+++ b/GeneralsMD/Code/GameEngine/Include/GameNetwork/GameSpyGameInfo.h
@@ -67,6 +67,7 @@ class GameSpyGameInfo : public GameInfo
 
 public:
 	GameSpyGameInfo();
+	virtual ~GameSpyGameInfo() override {}
 
 	inline void setServer(SBServer server) { m_server = server; }
 	inline SBServer getServer() { return m_server; }