--- scp.c.org	Mon Nov  2 00:04:33 1998
+++ scp.c	Mon Nov  2 00:08:19 1998
@@ -332,7 +332,7 @@
   char buf[1024];
 
   va_start(ap, fmt);
-  vsprintf(buf, fmt, ap);
+  vsnprintf(buf, sizeof(buf), fmt, ap);
   va_end(ap);
   fprintf(stderr, "%s\n", buf);
   exit(255);
