Index: sbin/ping6/ping6.c
===================================================================
--- sbin/ping6/ping6.c
+++ sbin/ping6/ping6.c
@@ -330,6 +330,7 @@
 #endif
 	cap_rights_t rights_srecv;
 	cap_rights_t rights_ssend;
+	cap_rights_t rights_stdin;
 
 	/* just to be sure */
 	memset(&smsghdr, 0, sizeof(smsghdr));
@@ -1046,6 +1047,14 @@
 	if (caph_enter_casper() < 0)
 		err(1, "caph_enter_casper");
 
+	cap_rights_init(&rights_stdin);
+	if (cap_rights_limit(STDIN_FILENO, &rights_stdin) < 0)
+		err(1, "cap_rights_limit stdin");
+	if (caph_limit_stdout() < 0)
+		err(1, "caph_limit_stdout");
+	if (caph_limit_stderr() < 0)
+		err(1, "caph_limit_stderr");
+
 	cap_rights_init(&rights_srecv, CAP_RECV, CAP_EVENT, CAP_SETSOCKOPT);
 	if (caph_rights_limit(srecv, &rights_srecv) < 0)
 		err(1, "cap_rights_limit srecv");