RHSA-2023:0943 — Security Advisory

Red Hat Security Advisory: zlib security update

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Severity

Important

Red Hat Product Security

RHEL 7

Products

Official CSAF product identity

Published · February 28, 2023

Updated · October 9, 2026

Topic

An update for zlib is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support, Red Hat Enterprise Linux 7.7 Telco Extended Update Support, and Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions.

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.

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.

Related CVEs

RHSA-2023:0943 — Red Hat Security Advisory: zlib security update | PulseLinux