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
@@ -1272,9 +1272,9 @@
     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;