diff -uNr screen-4.0.1/ansi.c screen-4.0.1-fix/ansi.c
--- screen-4.0.1/ansi.c	2003-09-08 10:24:44.000000000 -0400
+++ screen-4.0.1-fix/ansi.c	2003-12-03 15:56:04.000000000 -0500
@@ -559,7 +559,7 @@
 	    {
 	    case '0': case '1': case '2': case '3': case '4':
 	    case '5': case '6': case '7': case '8': case '9':
-	      if (curr->w_NumArgs < MAXARGS)
+             if (curr->w_NumArgs > 0 && curr->w_NumArgs < MAXARGS)
 		{
 		  if (curr->w_args[curr->w_NumArgs] < 100000000)
 		    curr->w_args[curr->w_NumArgs] =
diff -uNr screen-4.0.1/resize.c screen-4.0.1-fix/resize.c
--- screen-4.0.1/resize.c	2003-09-08 10:26:31.000000000 -0400
+++ screen-4.0.1-fix/resize.c	2003-12-04 10:36:10.000000000 -0500
@@ -682,6 +682,17 @@
   if (wi == 0)
     he = hi = 0;
 
+  if (wi > 1000)
+    {
+      Msg(0, "Window width too large, truncated");
+      wi = 1000;
+    }
+  if (he > 1000)
+    {
+      Msg(0, "Window height too large, truncated");
+      he = 1000;
+    }
+
   if (p->w_width == wi && p->w_height == he && p->w_histheight == hi)
     {
       debug("ChangeWindowSize: No change.\n");