diff -up ntp-4.2.2p1/ntpd/ntp_io.c.maxifaces ntp-4.2.2p1/ntpd/ntp_io.c
--- ntp-4.2.2p1/ntpd/ntp_io.c.maxifaces	2011-03-25 16:26:18.847773450 +0100
+++ ntp-4.2.2p1/ntpd/ntp_io.c	2011-03-25 16:52:08.685743855 +0100
@@ -787,7 +787,7 @@ create_sockets(
 		return (result);
 
 	for (result = isc_interfaceiter_first(iter);
-	     result == ISC_R_SUCCESS;
+	     result == ISC_R_SUCCESS && idx < MAXINTERFACES;
 	     result = isc_interfaceiter_next(iter))
 	{
 		isc_interface_t isc_if;