Ubuntu patches .NET vulnerabilities across LTS and interim releases
Key Takeaway
Ubuntu has released security updates for .NET 8, 10, and 11 across multiple supported releases, with .NET 8.0.32 and 10.0.13 now available.
Summary
Ubuntu published USN-8942-1 to address multiple security vulnerabilities in .NET. The update brings .NET 8 to version 8.0.32 on Ubuntu 22.04 LTS and 24.04 LTS, and .NET 10 to 10.0.13 on Ubuntu 24.04 LTS, 26.04 LTS, and 26.10. Ubuntu 26.10 also receives .NET 11 release candidate 2. Beyond security fixes, the updated packages include bug fixes, new features, and potential breaking changes.
Affected versions and distributions
- .NET 8.0.32: Ubuntu 22.04 LTS (Jammy), Ubuntu 24.04 LTS (Noble)
- .NET 10.0.13: Ubuntu 24.04 LTS, Ubuntu 26.04 LTS, Ubuntu 26.10
- .NET 11.0.0~rc2: Ubuntu 26.10 only
- Update includes security fixes, bug fixes, new features, and possible incompatible changes
- Specific CVEs not listed in the notice; details likely in upstream Microsoft security advisories
Why it matters
Organizations running .NET workloads on Ubuntu LTS releases should plan updates carefully given the note about possible incompatible changes alongside security fixes.
Original reference: ubuntu.com →