A libldb security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: libldb-2.3.0-1.fc34

--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2021-c2d8628d33
2021-03-27 00:15:25.754325
--------------------------------------------------------------------------------

Name : libldb
Product : Fedora 34
Version : 2.3.0
Release : 1.fc34
URL :   http://ldb.samba.org/
Summary : A schema-less, ldap like, API and database
Description :
An extensible library that implements an LDAP like API to access remote LDAP
servers, or use local tdb databases.

--------------------------------------------------------------------------------
Update Information:

Update to Samba 4.14.2 Security fixes for CVE-2020-27840, CVE-2020-27840
--------------------------------------------------------------------------------
ChangeLog:

* Wed Mar 24 2021 Lukas Slebodnik - 2.3.0-1
- libldb-2.3.0 is required for new samba
--------------------------------------------------------------------------------
References:

[ 1 ] Bug #1941400 - CVE-2020-27840 samba: Heap corruption via crafted DN strings
  https://bugzilla.redhat.com/show_bug.cgi?id=1941400
[ 2 ] Bug #1941402 - CVE-2021-20277 samba: Out of bounds read in AD DC LDAP server
  https://bugzilla.redhat.com/show_bug.cgi?id=1941402
--------------------------------------------------------------------------------

This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-c2d8628d33' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys