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Canonical Ubuntu Server 24.04 LTS (Noble Numbat) Update Version 1:4.1.48-9ubuntu0.2+esm2

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Update Summary

USN-8742-1 addresses a Netty issue that could allow DNS cache poisoning by incorrectly validating the bailiwick of NS records. Update Ubuntu Server 24.04 LTS to `libnetty-java` 1:4.1.48-9ubuntu0.2+esm2.

Update Details

Security

  • Netty incorrectly validates the bailiwick of NS records, which could allow DNS cache poisoning attacks.

Hints

  • A standard system update will apply the fix.
  • For Ubuntu 24.04 LTS (noble), install libnetty-java version 1:4.1.48-9ubuntu0.2+esm2.

Product Information

Vendor: Canonical

Product: Ubuntu Server

Product type: Software

Application category: Utilities

Platform: Linux

Variant: 24.04 LTS (Noble Numbat)

Version: 1:4.1.48-9ubuntu0.2+esm2

Vendor release date: Sep 10, 2026

Original release notes: View on vendor site

Published on updatealert.io: Sep 10, 2026

Description: Server operating system for Linux infrastructure and workloads.

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