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Fedora 43 dotnet8.0 Important Security Fix CVE-2026-45490 2026-2f80369c73

fedora
Calendar Grey June 27, 2026
Dist Fedora Esm H88
Fedora 43 .NET SDK 8.0.128 update resolves critical security issues with CVE-2026-45490, CVE-2026-45491, CVE-2026-45591.
Update to .NET SDK 8.0.128 and Runtime 8.0.28 Fixes: CVE-2026-45490,CVE-2026-45491,CVE-2026-45591 Release Notes: SDK: https://github.com/dotnet/core/blob/main/release- notes/8.0/8....

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 8.0.128 and Runtime 8.0.28 Fixes: CVE-2026-45490,CVE-2026-45491,CVE-2026-45591 Release Notes: SDK: https://github.com/dotnet/core/blob/main/release- notes/8.0/8.0.28/8.0.128.md Runtime: https://github.com/dotnet/core/blob/main/release- notes/8.0/8.0.28/8.0.28.md

Topics%20covered

Topics Covered

security advisory fedora important CVE fix cross-platform dotnet8

Change Log

* Wed Jun 17 2026 Omair Majid - 8.0.128-1 - Update to .NET SDK 8.0.128 and Runtime 8.0.28

References

Fedora Update Notification FEDORA-2026-2f80369c73 2026-06-28 01:07:37.246047+00:00 Name : dotnet8.0 Product : Fedora 43 Version : 8.0.128 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-2026-2f80369c73' 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
High
Critical

Name: dotnet8.0
Product: Fedora 43
Version: 8.0.128
Release: 1.fc43
URL: https://github.com/dotnet/
Summary: .NET Runtime and SDK

Topics%20covered

Topics Covered

security advisory fedora important CVE fix cross-platform dotnet8

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