Important: httpd security update — RHSA-2026:21433

Summary

RHSA-2026:21433 is a advisory from Red Hat. Important: httpd security update Vendor: Red Hat. Severity/Threat: high.

Product

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support | Red Hat Enterprise Linux for x86_64 | 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 IBM z Systems | Red Hat Enterprise Linux for x86_64 - 4 years of updates | Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle | Red Hat Enterprise Linux for x86_64 - Extended Life Cycle | Red Hat Enterprise Linux for x86_64 - Extended Update Support | Red Hat Enterprise Linux for Power, little endian - Extended Update Support | Red Hat Enterprise Linux for ARM 64 - Extended Update Support | Red Hat Enterprise Linux for Power, little endian - 4 years of support | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates | Red Hat Enterprise Linux for ARM 64 | Red Hat Enterprise Linux for ARM 64 - 4 years of updates | 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

• Read the official source

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