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Important: dnsmasq security update — RHSA-2026:20589

Red Hat · Red Hat · RHSA-2026:20589

ID
RHSA-2026:20589
Date
Activity
Source
Red Hat
Vendor
Red Hat
Threat
high

Summary

RHSA-2026:20589 is a advisory from Red Hat. Important: dnsmasq security update Vendor: Red Hat. Severity/Threat: high.

Product

Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle | Red Hat Enterprise Linux for IBM z Systems | Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle | Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle | Red Hat Enterprise Linux for x86_64 - Extended Life Cycle | Red Hat Enterprise Linux for ARM 64 | Red Hat Enterprise Linux for x86_64 | Red Hat Enterprise Linux for Power, little endian

What to do

General, cautious steps (verify details in the official source):

  • Prioritize patching or mitigation immediately (treat as actively risky).
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

Related advisories

Red Hat Red Hat 2026-W22