- fixed - null pointer dereference in mmsServer_handleDeleteNamedVariableListRequest when receiving malformed message (LIB61850-430)

src/mms/iso_mms/server/mms_named_variable_list_service.c

@@ -140,6 +140,12 @@ mmsServer_handleDeleteNamedVariableListRequest(MmsServerConnection connection,
         mmsMsg_createMmsRejectPdu(&invokeId, MMS_ERROR_REJECT_INVALID_PDU, response);
         goto exit_function;
     }
+
+    if (request->listOfVariableListName == NULL)
+    {
+        mmsMsg_createMmsRejectPdu(&invokeId, MMS_ERROR_REJECT_INVALID_PDU, response);
+        goto exit_function;
+    }
  
 	long scopeOfDelete = DeleteNamedVariableListRequest__scopeOfDelete_specific;