RHSA-2026:54377 — Security Advisory

Red Hat Security Advisory: ldns security update

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Severity

Important

Red Hat Product Security

RHEL 9

Products

Official CSAF product identity

Published · August 12, 2026

Updated · August 21, 2026

Topic

An update for ldns is now available for Red Hat Enterprise Linux 9.2 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 ldns packages contain a library with the aim to simplify DNS programming in C. All low-level DNS/DNSSEC operations are supported. We also define a higher level API which allows a programmer to (for instance) create or sign packets.

Security Fix(es):

  • ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching (CVE-2026-10846)

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-2026:54377 — Red Hat Security Advisory: ldns security update | PulseLinux