.NET June 2025 Updates

On June 10, 2025, we released .NET 9.0.6, .NET 8.0.17 updates.

## Release Notes

* [.NET June 2025 Update - .NET 9.0.6 and .NET 8.0.17](https://github.com/dotnet/core/issues/9930)
* [.NET 8.0.17 and .NET SDK 8.0.411](https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.17/8.0.17.md) ([Download](https://dotnet.microsoft.com/download/dotnet-core/8.0))
* [.NET 9.0.6 and .NET SDK 9.0.301](https://github.com/dotnet/core/blob/main/release-notes/9.0/9.0.6/9.0.6.md) ([Download](https://dotnet.microsoft.com/download/dotnet-core/9.0))

Also announced at [.NET Updates in June 2025](https://devblogs.microsoft.com/dotnet/dotnet-and-dotnet-framework-june-2025-servicing-updates/).

## Security Updates

This release includes fixes for the following security issues:

* [CVE-2025-30399](https://github.com/dotnet/announcements/issues/362): .NET Remote Code Vulnerability

These security updates affect both .NET 9 and .NET 8. We recommend upgrading to the latest SDK and runtime versions for your major version channel.

## Previous Release

* [.NET May 2025 Updates](https://github.com/dotnet/announcements/issues/357)
* The May release included a fix for [CVE-2025-26646](https://github.com/dotnet/announcements/issues/356): .NET Spoofing Vulnerability, which affected the Microsoft.Build.Tasks.Core package.
* An update was issued on May 22nd for .NET 8.0.313 and .NET 8.0.410 SDKs to address this vulnerability.

This issue will be updated if there are any additional releases during the month.

The issue is a June 2025 .NET release announcement; start with the linked release notes at release-notes/8.0/8.0.17/8.0.17.md and release-notes/9.0/9.0.6/9.0.6.md, plus the referenced security announcement. No concrete change or completion condition is identified, so this is not a startable first-contribution task.

Written by the indexing model from the issue text.