--- ypserv-2.13/ypxfr/ypxfr.c.orig	2004-01-12 08:12:15.000000000 -0500
+++ ypserv-2.13/ypxfr/ypxfr.c	2004-08-31 13:17:30.000000000 -0400
@@ -361,6 +361,7 @@ ypxfr (char *map, char *source_host, cha
   struct hostent *h;
   int sock, result;
 
+  memset(&resp_val, '\0', sizeof(resp_val));
   /* Name of the map file */
   if (strlen (path_ypdb) + strlen (target_domain) + strlen (map) + 3 < MAXPATHLEN)
     sprintf (dbName_orig, "%s/%s/%s", path_ypdb, target_domain, map);