RHSA-2022:7106 — Security Advisory

Red Hat Security Advisory: zlib security update

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Severity

Moderate

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · October 25, 2022

Updated · October 15, 2026

Topic

An update for zlib is now available for Red Hat Enterprise Linux 8.

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.

Description

The zlib packages provide a general-purpose lossless data compression library that is used by many different programs.

Security Fix(es):

  • zlib: a heap-based buffer over-read or buffer 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.

Related CVEs

RHSA-2022:7106 — Red Hat Security Advisory: zlib security update | PulseLinux