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Fedora 43 dotnet 10.0 Runtime SDK Important CVE Fixes 2026

Linuxsecurity •LinuxSecurity Advisories • August 21, 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 10.0.111 and Runtime 10.0.11 Fixes: CVE-2026-62871,CVE-2026-62886,CVE-2026-62897,CVE-2026-62898,CVE-2026- 62899,CVE-2026-62900,CVE-2026-62901,CVE-2026-62902,CVE-2026-62909,CVE-2026-70354 Release Notes: SDK: notes/10.0/10.0.11/10.0.111.md Runtime: notes/10.0/10.0.11/10.0.11.md

* Tue Aug 11 2026 Omair Majid - 10.0.111-1 - Update to .NET SDK 10.0.111 and Runtime 10.0.11 * Wed Jul 15 2026 Fedora Release Engineering - 10.0.110-2 - Rebuilt for

Fedora Update Notification FEDORA-2026-91c099294a 2026-08-21 04:50:36.952627+00:00 Name : dotnet10.0 Product : Fedora 43 Version : 10.0.111 Release : 1.fc43 URL : Summary : .NET 10.0 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-2026-91c099294a' 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.

Multiple CVE Fixes Released for Fedora .NET SDKs on August 21, 2026 On August 21, 2026, Fedora released important updates for .NET SDKs addressing multiple CVEs, including CVE-2026-62871, CVE-2026-62886, CVE-2026-62897, CVE-2026-62898, CVE-2026-62899, CVE-2026-62900, CVE-2026-62901, CVE-2026-62902, CVE-2026-62909, and CVE-2026-70354. The updates apply to Fedora 43 and Fedora 44, specifically for .NET SDK 10.0 and 8.0. Users are urged to upgrade to .NET SDK 10.0.111 and Runtime 10.0.11, as well as .NET SDK 8.0.130 and Runtime 8.0.30. The vulnerabilities were published on August 11, 2026, and could potentially impact applications built on these SDKs. Users are advised to apply the updates promptly to mitigate risks associated with these vulnerabilities. 3 sources 58

Extracted Entities

CVEs (9)

CVE-2026-62871 CVE-2026-62886 CVE-2026-62897 CVE-2026-62898 CVE-2026-62900 CVE-2026-62901 CVE-2026-62902 CVE-2026-62909 CVE-2026-70354

Platforms (3)

Linux MacOS Windows