Home / mailings [RHSA-2023:1095-01] Moderate: zlib security update
Posted on 07 March 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Moderate: zlib security update
Advisory ID: RHSA-2023:1095-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1095
Issue date: 2023-03-07
CVE Names: CVE-2022-37434
=====================================================================
1. Summary:
An update for zlib is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
The zlib packages provide a general-purpose lossless data compression
library that is used by many different programs.
Security Fix(es):
* zlib: heap-based buffer over-read and overflow in inflate() in inflate.c
via a large gzip header extra field (CVE-2022-37434)
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/):
2116639 - CVE-2022-37434 zlib: heap-based buffer over-read and overflow in inflate() in inflate.c via a large gzip header extra field
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
zlib-1.2.7-21.el7_9.src.rpm
x86_64:
zlib-1.2.7-21.el7_9.i686.rpm
zlib-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
minizip-1.2.7-21.el7_9.i686.rpm
minizip-1.2.7-21.el7_9.x86_64.rpm
minizip-devel-1.2.7-21.el7_9.i686.rpm
minizip-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-devel-1.2.7-21.el7_9.i686.rpm
zlib-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-static-1.2.7-21.el7_9.i686.rpm
zlib-static-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
zlib-1.2.7-21.el7_9.src.rpm
x86_64:
zlib-1.2.7-21.el7_9.i686.rpm
zlib-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
minizip-1.2.7-21.el7_9.i686.rpm
minizip-1.2.7-21.el7_9.x86_64.rpm
minizip-devel-1.2.7-21.el7_9.i686.rpm
minizip-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-devel-1.2.7-21.el7_9.i686.rpm
zlib-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-static-1.2.7-21.el7_9.i686.rpm
zlib-static-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
zlib-1.2.7-21.el7_9.src.rpm
ppc64:
zlib-1.2.7-21.el7_9.ppc.rpm
zlib-1.2.7-21.el7_9.ppc64.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc64.rpm
zlib-devel-1.2.7-21.el7_9.ppc.rpm
zlib-devel-1.2.7-21.el7_9.ppc64.rpm
ppc64le:
zlib-1.2.7-21.el7_9.ppc64le.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc64le.rpm
zlib-devel-1.2.7-21.el7_9.ppc64le.rpm
s390x:
zlib-1.2.7-21.el7_9.s390.rpm
zlib-1.2.7-21.el7_9.s390x.rpm
zlib-debuginfo-1.2.7-21.el7_9.s390.rpm
zlib-debuginfo-1.2.7-21.el7_9.s390x.rpm
zlib-devel-1.2.7-21.el7_9.s390.rpm
zlib-devel-1.2.7-21.el7_9.s390x.rpm
x86_64:
zlib-1.2.7-21.el7_9.i686.rpm
zlib-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-devel-1.2.7-21.el7_9.i686.rpm
zlib-devel-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
minizip-1.2.7-21.el7_9.ppc.rpm
minizip-1.2.7-21.el7_9.ppc64.rpm
minizip-devel-1.2.7-21.el7_9.ppc.rpm
minizip-devel-1.2.7-21.el7_9.ppc64.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc64.rpm
zlib-static-1.2.7-21.el7_9.ppc.rpm
zlib-static-1.2.7-21.el7_9.ppc64.rpm
ppc64le:
minizip-1.2.7-21.el7_9.ppc64le.rpm
minizip-devel-1.2.7-21.el7_9.ppc64le.rpm
zlib-debuginfo-1.2.7-21.el7_9.ppc64le.rpm
zlib-static-1.2.7-21.el7_9.ppc64le.rpm
s390x:
minizip-1.2.7-21.el7_9.s390.rpm
minizip-1.2.7-21.el7_9.s390x.rpm
minizip-devel-1.2.7-21.el7_9.s390.rpm
minizip-devel-1.2.7-21.el7_9.s390x.rpm
zlib-debuginfo-1.2.7-21.el7_9.s390.rpm
zlib-debuginfo-1.2.7-21.el7_9.s390x.rpm
zlib-static-1.2.7-21.el7_9.s390.rpm
zlib-static-1.2.7-21.el7_9.s390x.rpm
x86_64:
minizip-1.2.7-21.el7_9.i686.rpm
minizip-1.2.7-21.el7_9.x86_64.rpm
minizip-devel-1.2.7-21.el7_9.i686.rpm
minizip-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-static-1.2.7-21.el7_9.i686.rpm
zlib-static-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
zlib-1.2.7-21.el7_9.src.rpm
x86_64:
zlib-1.2.7-21.el7_9.i686.rpm
zlib-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-devel-1.2.7-21.el7_9.i686.rpm
zlib-devel-1.2.7-21.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
minizip-1.2.7-21.el7_9.i686.rpm
minizip-1.2.7-21.el7_9.x86_64.rpm
minizip-devel-1.2.7-21.el7_9.i686.rpm
minizip-devel-1.2.7-21.el7_9.x86_64.rpm
zlib-debuginfo-1.2.7-21.el7_9.i686.rpm
zlib-debuginfo-1.2.7-21.el7_9.x86_64.rpm
zlib-static-1.2.7-21.el7_9.i686.rpm
zlib-static-1.2.7-21.el7_9.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-2022-37434
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
