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Fedora 43 dotnet8.0 Important Update Runtime Fix CVE-2026-26171

fedora
Calendar Grey May 1, 2026
Dist Fedora Esm H88
This advisory covers the updates and fixes in .NET SDK 8.0.126 and Runtime 8.0.26 for Fedora 43 with critical issues.
Update to .NET SDK 8.0.126 and Runtime 8.0.26 Fixes: CVE-2026-26171, CVE-2026-32178, CVE-2026-32203, CVE-2026-33116 Release Notes: SDK: https://github.com/dotnet/core/blob/main/rel...

Summary

.NET is a fast, lightweight and modular platform for creating

cross platform applications that work on Linux, macOS and Windows.

It particularly focuses on creating console applications, web

applications and micro-services.

.NET contains a runtime conforming to .NET Standards a set of

framework libraries, an SDK containing compilers and a 'dotnet'

application to drive everything.

Update Information:

Update to .NET SDK 8.0.126 and Runtime 8.0.26 Fixes: CVE-2026-26171, CVE-2026-32178, CVE-2026-32203, CVE-2026-33116 Release Notes: SDK: https://github.com/dotnet/core/blob/main/release- notes/8.0/8.0.26/8.0.126.md Runtime: https://github.com/dotnet/core/blob/main/release- notes/8.0/8.0.26/8.0.26.md

Change Log

* Fri Apr 17 2026 Omair Majid - 8.0.126-1 - Update to .NET SDK 8.0.126 and Runtime 8.0.26

References

Fedora Update Notification FEDORA-2026-a1302c450c 2026-05-01 03:01:50.286456+00:00 Name : dotnet8.0 Product : Fedora 43 Version : 8.0.126 Release : 1.fc43 URL : https://github.com/dotnet/ Summary : .NET Runtime and SDK Description : .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-a1302c450c' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
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Critical

Name: dotnet8.0
Product: Fedora 43
Version: 8.0.126
Release: 1.fc43
Summary: .NET Runtime and SDK

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