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OpenAdvisories
High ALSA-2025:7571 1 CVE

Important: .NET 9.0 security update

Published May 14, 2025 · Updated Oct 29, 2026

Summary

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 9.0.106 and .NET Runtime 9.0.5.Security Fix(es):

* dotnet: .NET and Visual Studio Spoofing Vulnerability (CVE-2025-26646)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 16

ReleasePackageFixed in
AlmaLinux · 8 aspnetcore-runtime-9.0 9.0.5-1.el8_10
AlmaLinux · 8 aspnetcore-runtime-dbg-9.0 9.0.5-1.el8_10
AlmaLinux · 8 aspnetcore-targeting-pack-9.0 9.0.5-1.el8_10
AlmaLinux · 8 dotnet 9.0.106-1.el8_10
AlmaLinux · 8 dotnet-apphost-pack-9.0 9.0.5-1.el8_10
AlmaLinux · 8 dotnet-host 9.0.5-1.el8_10
AlmaLinux · 8 dotnet-hostfxr-9.0 9.0.5-1.el8_10
AlmaLinux · 8 dotnet-runtime-9.0 9.0.5-1.el8_10
AlmaLinux · 8 dotnet-runtime-dbg-9.0 9.0.5-1.el8_10
AlmaLinux · 8 dotnet-sdk-9.0 9.0.106-1.el8_10
AlmaLinux · 8 dotnet-sdk-9.0-source-built-artifacts 9.0.106-1.el8_10
AlmaLinux · 8 dotnet-sdk-aot-9.0 9.0.106-1.el8_10
AlmaLinux · 8 dotnet-sdk-dbg-9.0 9.0.106-1.el8_10
AlmaLinux · 8 dotnet-targeting-pack-9.0 9.0.5-1.el8_10
AlmaLinux · 8 dotnet-templates-9.0 9.0.106-1.el8_10
AlmaLinux · 8 netstandard-targeting-pack-2.1 9.0.106-1.el8_10

Vulnerabilities 1

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-26646
  • report
    https://bugzilla.redhat.com/2365317
  • advisory
    https://errata.almalinux.org/8/ALSA-2025-7571.html