RHSA-2023:7116 — Security Advisory

Red Hat Security Advisory: c-ares security update

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Severity

Moderate

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · November 15, 2023

Updated · June 28, 2026

Topic

An update for c-ares 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 c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.

Security Fix(es):

  • c-ares: buffer overflow in config_sortlist() due to missing string length check (CVE-2022-4904)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes linked from the References section.

Related CVEs

RHSA-2023:7116 — Red Hat Security Advisory: c-ares security update | PulseLinux