Important: .NET 9.0 security update — RHSA-2026:21294

Summary

RHSA-2026:21294 is a advisory from Red Hat. Important: .NET 9.0 security update Vendor: Red Hat. Severity/Threat: high.

Product

Red Hat Enterprise Linux

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

Related advisories