A libldb security update has been released for Red Hat Enterprise Linux 7.7.

RHSA-2021:2331-01: Important: libldb security update

=====================================================================
Red Hat Security Advisory

Synopsis: Important: libldb security update
Advisory ID: RHSA-2021:2331-01
Product: Red Hat Enterprise Linux
Advisory URL:   https://access.redhat.com/errata/RHSA-2021:2331
Issue date: 2021-06-08
CVE Names: CVE-2021-20277
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1. Summary:

An update for libldb is now available for Red Hat Enterprise Linux 7.7
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64

3. Description:

The libldb packages provide an extensible library that implements an
LDAP-like API to access remote LDAP servers, or use local TDB databases.

Security Fix(es):

* samba: Out of bounds read in AD DC LDAP server (CVE-2021-20277)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

  https://access.redhat.com/articles/11258

5. Bugs fixed (  https://bugzilla.redhat.com/):

1941402 - CVE-2021-20277 samba: Out of bounds read in AD DC LDAP server

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):

Source:
libldb-1.4.2-2.el7_7.src.rpm

x86_64:
libldb-1.4.2-2.el7_7.i686.rpm
libldb-1.4.2-2.el7_7.x86_64.rpm
libldb-debuginfo-1.4.2-2.el7_7.i686.rpm
libldb-debuginfo-1.4.2-2.el7_7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):

x86_64:
ldb-tools-1.4.2-2.el7_7.x86_64.rpm
libldb-debuginfo-1.4.2-2.el7_7.i686.rpm
libldb-debuginfo-1.4.2-2.el7_7.x86_64.rpm
libldb-devel-1.4.2-2.el7_7.i686.rpm
libldb-devel-1.4.2-2.el7_7.x86_64.rpm
pyldb-1.4.2-2.el7_7.i686.rpm
pyldb-1.4.2-2.el7_7.x86_64.rpm
pyldb-devel-1.4.2-2.el7_7.i686.rpm
pyldb-devel-1.4.2-2.el7_7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.7):

Source:
libldb-1.4.2-2.el7_7.src.rpm

ppc64:
libldb-1.4.2-2.el7_7.ppc.rpm
libldb-1.4.2-2.el7_7.ppc64.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc64.rpm

ppc64le:
libldb-1.4.2-2.el7_7.ppc64le.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc64le.rpm

s390x:
libldb-1.4.2-2.el7_7.s390.rpm
libldb-1.4.2-2.el7_7.s390x.rpm
libldb-debuginfo-1.4.2-2.el7_7.s390.rpm
libldb-debuginfo-1.4.2-2.el7_7.s390x.rpm

x86_64:
libldb-1.4.2-2.el7_7.i686.rpm
libldb-1.4.2-2.el7_7.x86_64.rpm
libldb-debuginfo-1.4.2-2.el7_7.i686.rpm
libldb-debuginfo-1.4.2-2.el7_7.x86_64.rpm
pyldb-1.4.2-2.el7_7.i686.rpm
pyldb-1.4.2-2.el7_7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.7):

ppc64:
ldb-tools-1.4.2-2.el7_7.ppc64.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc64.rpm
libldb-devel-1.4.2-2.el7_7.ppc.rpm
libldb-devel-1.4.2-2.el7_7.ppc64.rpm
pyldb-1.4.2-2.el7_7.ppc.rpm
pyldb-1.4.2-2.el7_7.ppc64.rpm
pyldb-devel-1.4.2-2.el7_7.ppc.rpm
pyldb-devel-1.4.2-2.el7_7.ppc64.rpm

ppc64le:
ldb-tools-1.4.2-2.el7_7.ppc64le.rpm
libldb-debuginfo-1.4.2-2.el7_7.ppc64le.rpm
libldb-devel-1.4.2-2.el7_7.ppc64le.rpm
pyldb-1.4.2-2.el7_7.ppc64le.rpm
pyldb-devel-1.4.2-2.el7_7.ppc64le.rpm

s390x:
ldb-tools-1.4.2-2.el7_7.s390x.rpm
libldb-debuginfo-1.4.2-2.el7_7.s390.rpm
libldb-debuginfo-1.4.2-2.el7_7.s390x.rpm
libldb-devel-1.4.2-2.el7_7.s390.rpm
libldb-devel-1.4.2-2.el7_7.s390x.rpm
pyldb-1.4.2-2.el7_7.s390.rpm
pyldb-1.4.2-2.el7_7.s390x.rpm
pyldb-devel-1.4.2-2.el7_7.s390.rpm
pyldb-devel-1.4.2-2.el7_7.s390x.rpm

x86_64:
ldb-tools-1.4.2-2.el7_7.x86_64.rpm
libldb-debuginfo-1.4.2-2.el7_7.i686.rpm
libldb-debuginfo-1.4.2-2.el7_7.x86_64.rpm
libldb-devel-1.4.2-2.el7_7.i686.rpm
libldb-devel-1.4.2-2.el7_7.x86_64.rpm
pyldb-devel-1.4.2-2.el7_7.i686.rpm
pyldb-devel-1.4.2-2.el7_7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
  https://access.redhat.com/security/team/key/

7. References:

  https://access.redhat.com/security/cve/CVE-2021-20277
  https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at   https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.