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Canonical Ubuntu Server 26.04 LTS (Resolute Raccoon) Update Version 10.0.112-10.0.12-0ubuntu1~26.04.1

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Update Summary

USN-8740-1 fixes two .NET security issues in Ubuntu Server 26.04 LTS packages. It addresses CVE-2026-58649 and CVE-2026-69806 in .NET watch components.

Update Details

Security

  • .NET watch BrowserRefreshServer did not properly validate cross-origin WebSocket connections, which could expose sensitive information (CVE-2026-58649).
  • .NET watch AspireServerService improperly exposed information through certain arguments, which could allow privilege escalation and arbitrary code execution (CVE-2026-69806).

Hints

  • A standard system update will apply the fixes.
  • For Ubuntu Server 26.04 LTS, update to the listed package versions, including dotnet10 10.0.112-10.0.12-0ubuntu1~26.04.1 and related runtime/SDK packages.

Product Information

Vendor: Canonical

Product: Ubuntu Server

Product type: Software

Application category: Utilities

Platform: Linux

Variant: 26.04 LTS (Resolute Raccoon)

Version: 10.0.112-10.0.12-0ubuntu1~26.04.1

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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