From: Howard Chu <hyc@openldap.org>
Date: Tue, 1 Dec 2020 18:02:51 +0000 (+0000)
Subject: ITS#9411 fix thisUpdate check
X-Git-Tag: OPENLDAP_REL_ENG_2_4_57~28
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4dfeac8655d964442c00be7e69ee180cc19d1e92;p=thirdparty%2Fopenldap.git

ITS#9411 fix thisUpdate check
---

diff --git a/servers/slapd/schema_init.c b/servers/slapd/schema_init.c
index 9049c1878d..2780d630e8 100644
--- a/servers/slapd/schema_init.c
+++ b/servers/slapd/schema_init.c
@@ -3885,7 +3885,7 @@ issuerAndThisUpdateCheck(
 				/* empty */;
 			}
 
-			if ( x.bv_val[0] != '"' ) return LDAP_INVALID_SYNTAX;
+			if ( !x.bv_len || x.bv_val[0] != '"' ) return LDAP_INVALID_SYNTAX;
 			x.bv_val++;
 			x.bv_len--;