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Fedora 43 Dotnet 8.0.129 Critical CVE Fixes 2026

Linuxsecurity •LinuxSecurity Advisories • July 24, 2026

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.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 to .NET SDK 8.0.129 and Runtime 8.0.29 Fixes: CVE-2026-47300,CVE-2026-47302,CVE-2026-47303,CVE-2026-47304,CVE-2026- 50524,CVE-2026-50525,CVE-2026-50526,CVE-2026-50527,CVE-2026-50528,CVE-2026- 50646,CVE-2026-50648,CVE-2026-50649,CVE-2026-50650,CVE-2026-50651,CVE-2026- 50659,CVE-2026-56158,CVE-2026-57108 Release Notes: SDK: notes/8.0/8.0.29/8.0.129.md Runtime: notes/8.0/8.0.29/8.0.29.md

* Mon Jul 20 2026 Omair Majid - 8.0.129-1 - Update to .NET SDK 8.0.129 and Runtime 8.0.29 * Wed Jul 15 2026 Fedora Release Engineering - 8.0.128-2 - Rebuilt for

Fedora Update Notification FEDORA-2026-da44c3870f 2026-07-24 01:12:11.053089+00:00 Name : dotnet8.0 Product : Fedora 43 Version : 8.0.129 Release : 2.fc43 URL : 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.

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-da44c3870f' at the command line. For more information, refer to the dnf documentation available at

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical .NET Vulnerabilities in Fedora 43 and 44 Require Immediate Attention Multiple critical vulnerabilities have been identified in the .NET SDK and Runtime for Fedora 43 and 44, affecting cross-platform applications. The vulnerabilities include CVE-2026-47300, CVE-2026-47302, CVE-2026-47303, CVE-2026-47304, CVE-2026-50524, CVE-2026-50525, CVE-2026-50526, CVE-2026-50527, CVE-2026-50528, CVE-2026-50646, CVE-2026-50648, CVE-2026-50649, CVE-2026-50650, CVE-2026-50651, CVE-2026-50659, CVE-2026-56158, and CVE-2026-57108. These vulnerabilities were published on July 14, 2026, and can lead to privilege escalation and system-wide damage. Users are advised to update to .NET SDK 8.0.129 and Runtime 8.0.29 for Fedora 44, and .NET SDK 9.0.119 and Runtime 9.0.18 for Fedora 43. The updates can be installed using the 'dnf' update program. The situation is critical, as failure to patch could leave systems vulnerable to exploitation. 6 sources 73

Extracted Entities

CVEs (14)

CVE-2026-47300 CVE-2026-47302 CVE-2026-47303 CVE-2026-47304 CVE-2026-50525 CVE-2026-50526 CVE-2026-50527 CVE-2026-50528 CVE-2026-50648 CVE-2026-50649 CVE-2026-50650 CVE-2026-50651 CVE-2026-56158 CVE-2026-57108