.NET February 2023 Updates – .NET 7.0.3, .NET 6.0.14

Today, we are releasing the .NET February 2023 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 7.0.3 and 6.0.14 versions for Windows, macOS, and Linux, for x86, x64, Arm32, and Arm64.

Installers and binaries: 7.0.3 | 6.0.14
Release notes: 7.0.3 | 6.0.14 |
Container images
Linux packages: 7.0.3 | 6.0.14
Release feedback/issue
Known issues: 7.0 | 6.0

Windows Package Manager CLI (winget)

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

To install the .NET 7 runtime: winget install dotnet-runtime-7
To install the .NET 7 SDK: winget install dotnet-sdk-7
To update an existing installation: winget upgrade

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

Improvements

Security

CVE-2023-21808 – .NET Remote Code Execution Vulnerability

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

A vulnerability exists in how .NET reads debugging symbols, where reading a malicious symbols file may result in remote code execution.