RHSA-2025:13576 — Security Advisory

Red Hat Security Advisory: unbound security update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · August 11, 2025

Updated · October 22, 2026

Topic

An update for unbound is now available for Red Hat Enterprise Linux 8.2 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.

Description

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.

Security Fix(es):

  • unbound: Unbound Cache poisoning (CVE-2025-5994)

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-2025:13576 — Red Hat Security Advisory: unbound security update | PulseLinux