From 176339e7d919093b8e71043a2cef9b33269b07dd Mon Sep 17 00:00:00 2001
From: Kurt Zeilenga <kurt@openldap.org>
Date: Fri, 6 Dec 2002 19:03:51 +0000
Subject: [PATCH] ITS#2219: empty value return filter control bug

---
 servers/slapd/controls.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/servers/slapd/controls.c b/servers/slapd/controls.c
index acd9f6949f..7b4a124231 100644
--- a/servers/slapd/controls.c
+++ b/servers/slapd/controls.c
@@ -567,6 +567,11 @@ int parseValuesReturnFilter (
 		return LDAP_PROTOCOL_ERROR;
 	}
 
+	if ( ctrl->ldctl_value.bv_len == 0 ) {
+		*text = "valuesreturnfilter control value is empty";
+		return LDAP_PROTOCOL_ERROR;
+	}
+
 	ber = ber_init( &(ctrl->ldctl_value) );
 	if (ber == NULL) {
 		*text = "internal error";
-- 
2.39.5