Home / mailings [RHSA-2023:0976-01] Important: zlib security update
Posted on 28 February 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: zlib security update
Advisory ID: RHSA-2023:0976-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0976
Issue date: 2023-02-28
CVE Names: CVE-2018-25032
=====================================================================
1. Summary:
An update for zlib is now available for Red Hat Enterprise Linux 7.4
Advanced 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 Server AUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - 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: A flaw found in zlib when compressing (not decompressing) certain
inputs (CVE-2018-25032)
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/):
2067945 - CVE-2018-25032 zlib: A flaw found in zlib when compressing (not decompressing) certain inputs
6. Package List:
Red Hat Enterprise Linux Server AUS (v. 7.4):
Source:
zlib-1.2.7-17.el7_4.1.src.rpm
x86_64:
zlib-1.2.7-17.el7_4.1.i686.rpm
zlib-1.2.7-17.el7_4.1.x86_64.rpm
zlib-debuginfo-1.2.7-17.el7_4.1.i686.rpm
zlib-debuginfo-1.2.7-17.el7_4.1.x86_64.rpm
zlib-devel-1.2.7-17.el7_4.1.i686.rpm
zlib-devel-1.2.7-17.el7_4.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 7.4):
x86_64:
minizip-1.2.7-17.el7_4.1.i686.rpm
minizip-1.2.7-17.el7_4.1.x86_64.rpm
minizip-devel-1.2.7-17.el7_4.1.i686.rpm
minizip-devel-1.2.7-17.el7_4.1.x86_64.rpm
zlib-debuginfo-1.2.7-17.el7_4.1.i686.rpm
zlib-debuginfo-1.2.7-17.el7_4.1.x86_64.rpm
zlib-static-1.2.7-17.el7_4.1.i686.rpm
zlib-static-1.2.7-17.el7_4.1.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-2018-25032
https://access.redhat.com/security/updates/classification/#important
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.
