.NET February 2024 Updates – .NET 8.0.2, 7.0.16, .NET 6.0.27

Today, we are releasing the .NET February 2024 Updates. These updates contain security and non-security improvements. Your app may be vulnerable if you have not deployed a recent .NET update.

You can download 8.0.2, 7.0.16 and, 6.0.27 versions for Windows, macOS, and Linux, for x86, x64, Arm32, and Arm64.

Windows Package Manager CLI (winget)

You can now install .NET updates using the Windows Package Manager CLI (winget):

• To install the .NET 8 runtime: winget install dotnet-runtime-8
• To install the .NET 8 SDK: winget install dotnet-sdk-8
• To update an existing installation: winget upgrade

See Install with Windows Package Manager (winget) for more information.

Improvements

• ASP.NET Core: 8.0.2 | 7.0.16 | 6.0.27
• Entity Framework Core: 8.0.2
• Roslyn-Analysers: 8.0.2
• Runtime: 8.0.2 | 7.0.16 | 6.0.27
• SDK: 8.0.2

Security

CVE-2024-21386 – .NET Denial of Service Vulnerability

Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET 6.0, ASP.NET 7.0 and, ASP.NET 8.0 . This advisory also provides guidance on what developers can do to update their applications to address this vulnerability.

A vulnerability exists in ASP.NET applications using SignalR where a malicious client can result in a denial-of-service.

CVE-2024-21404- .NET Denial of Service Vulnerability

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0, .NET 7.0 and .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A denial-of-service vulnerability exists in .NET with OpenSSL support when parsing X509 certificates.

Visual Studio

See release notes for Visual Studio compatibility for .NET 8.0, .NET 7.0 and, .NET 6.0.