diff -ruN xrdp-0.9.14-v/vnc/vnc.c xrdp-0.9.14/vnc/vnc.c
--- xrdp-0.9.14-v/vnc/vnc.c	2020-08-26 12:32:22.000000000 +1000
+++ xrdp-0.9.14/vnc/vnc.c	2020-09-01 18:16:37.404290027 +1000
@@ -1423,7 +1423,7 @@
 {
     int error;
     struct vnc_screen_layout layout = {0};
-    int response_code;
+    int response_code = 0;
 
     error = find_matching_extended_rect(v,
                                         rect_is_reply_to_us,
@@ -1485,9 +1485,9 @@
     int srcy;
     unsigned int encoding;
     int pixel;
-    int r;
-    int g;
-    int b;
+    int r = 0;
+    int g = 0;
+    int b = 0;
     int error;
     int need_size;
     struct stream *s;