diff --git a/SOURCES/0001-ITS-9146-syncprov-fix-sessionlog-init.patch b/SOURCES/0001-ITS-9146-syncprov-fix-sessionlog-init.patch
new file mode 100644
index 0000000..e5df29d
--- /dev/null
+++ b/SOURCES/0001-ITS-9146-syncprov-fix-sessionlog-init.patch
@@ -0,0 +1,30 @@
+From 5603704d04f4ed43d62b36883073bd1157c9dd25 Mon Sep 17 00:00:00 2001
+From: Howard Chu <hyc@openldap.org>
+Date: Wed, 8 Jan 2020 22:22:14 +0000
+Subject: [PATCH] ITS#9146 syncprov: fix sessionlog init
+
+---
+ servers/slapd/overlays/syncprov.c | 7 +------
+ 1 file changed, 1 insertion(+), 6 deletions(-)
+
+diff --git a/servers/slapd/overlays/syncprov.c b/servers/slapd/overlays/syncprov.c
+index c8e457c42..0e1f362f0 100644
+--- a/servers/slapd/overlays/syncprov.c
++++ b/servers/slapd/overlays/syncprov.c
+@@ -3079,12 +3079,7 @@ sp_cf_gen(ConfigArgs *c)
+ 		}
+ 		sl = si->si_logs;
+ 		if ( !sl ) {
+-			sl = ch_malloc( sizeof( sessionlog ));
+-			sl->sl_mincsn = NULL;
+-			sl->sl_sids = NULL;
+-			sl->sl_num = 0;
+-			sl->sl_numcsns = 0;
+-			sl->sl_head = sl->sl_tail = NULL;
++			sl = ch_calloc( 1, sizeof( sessionlog ));
+ 			ldap_pvt_thread_mutex_init( &sl->sl_mutex );
+ 			si->si_logs = sl;
+ 		}
+-- 
+2.20.1
+
diff --git a/SOURCES/0001-ITS-9150-fix-nosync-FALSE-config.patch b/SOURCES/0001-ITS-9150-fix-nosync-FALSE-config.patch
new file mode 100644
index 0000000..364765b
--- /dev/null
+++ b/SOURCES/0001-ITS-9150-fix-nosync-FALSE-config.patch
@@ -0,0 +1,25 @@
+From 4e8f9b90e01d093ffe9818ebc9d44b0956cfd9d6 Mon Sep 17 00:00:00 2001
+From: Howard Chu <hyc@openldap.org>
+Date: Sat, 11 Jan 2020 04:24:54 +0000
+Subject: [PATCH] ITS#9150 fix nosync FALSE config
+
+---
+ servers/slapd/back-mdb/config.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/servers/slapd/back-mdb/config.c b/servers/slapd/back-mdb/config.c
+index 46cb59d1f..f1b86c07a 100644
+--- a/servers/slapd/back-mdb/config.c
++++ b/servers/slapd/back-mdb/config.c
+@@ -594,7 +594,7 @@ mdb_cf_gen( ConfigArgs *c )
+ 		if ( c->value_int )
+ 			mdb->mi_dbenv_flags |= MDB_NOSYNC;
+ 		else
+-			mdb->mi_dbenv_flags ^= MDB_NOSYNC;
++			mdb->mi_dbenv_flags &= ~MDB_NOSYNC;
+ 		if ( mdb->mi_flags & MDB_IS_OPEN ) {
+ 			mdb_env_set_flags( mdb->mi_dbenv, MDB_NOSYNC,
+ 				c->value_int );
+-- 
+2.20.1
+
diff --git a/SPECS/openldap-ltb.spec b/SPECS/openldap-ltb.spec
index e701098..084fd3e 100644
--- a/SPECS/openldap-ltb.spec
+++ b/SPECS/openldap-ltb.spec
@@ -7,8 +7,8 @@
 # Configure syslog and logrotate
 # Install a pwdChecker module
 #
-# Copyright (C) 2008-2019 Clement OUDOT
-# Copyright (C) 2018-2019 Worteks
+# Copyright (C) 2008-2020 Clement OUDOT
+# Copyright (C) 2018-2020 Worteks
 # Copyright (C) 2015 David COUTADEUR
 # Copyright (C) 2008 Raphael OUAZANA
 # Copyright (C) 2015 LINAGORA
@@ -22,7 +22,7 @@
 #=================================================
 %define real_name        openldap
 %define real_version     2.4.48
-%define release_version  2%{?dist}
+%define release_version  3%{?dist}
 
 # Fix for CentOS7
 %if 0%{?rhel} == 7
@@ -91,6 +91,8 @@ Source5: openldap.logrotate
 Source6: %{ppm_name}-%{ppm_version}.tar.gz
 # Sources available on https://github.com/davidcoutadeur/explockout
 Source7: %{explockout_name}-%{explockout_version}.tar.gz
+Patch1: 0001-ITS-9146-syncprov-fix-sessionlog-init.patch
+Patch2: 0001-ITS-9150-fix-nosync-FALSE-config.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires: gcc, make
@@ -226,6 +228,8 @@ exponential time
 #=================================================
 %prep
 %setup -n %{real_name}-%{real_version}
+%patch1 -p1
+%patch2 -p1
 %setup -n %{real_name}-%{real_version} -T -D -a 1
 %setup -n %{real_name}-%{real_version} -T -D -a 2
 %setup -n %{real_name}-%{real_version} -T -D -a 6
@@ -653,6 +657,9 @@ rm -rf %{buildroot}
 # Changelog
 #=================================================
 %changelog
+* Thu Jan 16 2020 - Clement Oudot <clem@ltb-project.org> - 2.4.48-3
+- Apply patch for ITS#9146
+- Apply patch for ITS#9150
 * Thu Aug 29 2019 - Clement Oudot <clem@ltb-project.org> - 2.4.48-2
 - Upgrade to initscript 2.5
 - Upgrade to ppm 1.8