Index: /trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp
===================================================================
--- /trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp	(revision 35162)
+++ /trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp	(revision 35163)
@@ -2906,5 +2906,5 @@
      */
     PCDBGCVAR   pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
-    RTGCPTR     GCPtrFirst;
+    RTGCPTR     GCPtrFirst = NULL;
     int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
     if (RT_FAILURE(rc))
Index: /trunk/src/VBox/Devices/Graphics/HGSMI/HGSMIHost.cpp
===================================================================
--- /trunk/src/VBox/Devices/Graphics/HGSMI/HGSMIHost.cpp	(revision 35162)
+++ /trunk/src/VBox/Devices/Graphics/HGSMI/HGSMIHost.cpp	(revision 35163)
@@ -1692,5 +1692,5 @@
 static int hgsmiGuestCommandComplete (HGSMIINSTANCE *pIns, HGSMIOFFSET offMem)
 {
-    HGSMIGUESTCOMPLENTRY *pEntry;
+    HGSMIGUESTCOMPLENTRY *pEntry = NULL;
 
     int rc = hgsmiGuestCompletionFIFOAlloc (pIns, &pEntry);
Index: /trunk/src/VBox/Devices/Network/slirp/tcp_output.c
===================================================================
--- /trunk/src/VBox/Devices/Network/slirp/tcp_output.c	(revision 35162)
+++ /trunk/src/VBox/Devices/Network/slirp/tcp_output.c	(revision 35163)
@@ -100,5 +100,5 @@
     unsigned optlen, hdrlen;
     int idle, sendalot;
-    int size;
+    int size = 0;
 
     LogFlow(("tcp_output: tp = %lx\n", (long)tp));
Index: /trunk/src/VBox/NetworkServices/NetLib/VBoxNetIntIf.cpp
===================================================================
--- /trunk/src/VBox/NetworkServices/NetLib/VBoxNetIntIf.cpp	(revision 35162)
+++ /trunk/src/VBox/NetworkServices/NetLib/VBoxNetIntIf.cpp	(revision 35163)
@@ -98,6 +98,6 @@
      * Allocate a frame, copy the data and commit it.
      */
-    PINTNETHDR pHdr;
-    void *pvFrame;
+    PINTNETHDR pHdr = NULL;
+    void *pvFrame = NULL;
     int rc = IntNetRingAllocateFrame(pRingBuf, cbFrame, &pHdr, &pvFrame);
     if (RT_SUCCESS(rc))