--- XFree86-4.3.0/xc/programs/xterm/charproc.c.xterm-can-2003-0063	2003-02-06 18:09:42.000000000 -0500
+++ XFree86-4.3.0/xc/programs/xterm/charproc.c	2003-02-25 05:10:42.000000000 -0500
@@ -3867,11 +3867,16 @@
 	break;
 
     case 21:			/* Report the window's title */
+/* This code block is disabled to fix a security issue reported
+ * in CAN-2003-0063
+ */
+#if 0
 	report_win_label(screen, 'l', &text,
 			 XGetWMName(
 				       screen->display,
 				       VShellWindow,
 				       &text));
+#endif
 	break;
 
     default:			/* DECSLPP (24, 25, 36, 48, 72, 144) */