RHSA-2026:66863HighCVSS 7.0

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Published
September 12, 2026
Last Modified
October 23, 2026

🔗 CVE IDs covered (3)

📋 Description

CVE-2026-58649 — dotnet10.0: dotnet9.0: dotnet8.0: .NET Information Disclosure Vulnerability CVE-2026-69304 — dotnet: ASP.NET Core: Denial of Service via Data Amplification CVE-2026-69806 — dotnet10.0: dotnet9.0: .NET Elevation of Privilege Vulnerability

🎯 Affected products30

  • Red Hat Hardened Images
  • aspnetcore-runtime-10.0-0:10.0.12-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • aspnetcore-runtime-10.0-0:10.0.12-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • aspnetcore-runtime-dbg-10.0-0:10.0.12-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • aspnetcore-runtime-dbg-10.0-0:10.0.12-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • aspnetcore-targeting-pack-10.0-0:10.0.12-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • aspnetcore-targeting-pack-10.0-0:10.0.12-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-apphost-pack-10.0-0:10.0.12-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-apphost-pack-10.0-0:10.0.12-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-host-0:10.0.12-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-host-0:10.0.12-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-hostfxr-10.0-0:10.0.12-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-hostfxr-10.0-0:10.0.12-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-runtime-10.0-0:10.0.12-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-runtime-10.0-0:10.0.12-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-runtime-dbg-10.0-0:10.0.12-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-runtime-dbg-10.0-0:10.0.12-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-sdk-10.0-0:10.0.112-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-sdk-10.0-0:10.0.112-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-sdk-10.0-source-built-artifacts-0:10.0.112-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-sdk-10.0-source-built-artifacts-0:10.0.112-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-sdk-aot-10.0-0:10.0.112-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-sdk-aot-10.0-0:10.0.112-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-sdk-dbg-10.0-0:10.0.112-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-sdk-dbg-10.0-0:10.0.112-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-targeting-pack-10.0-0:10.0.12-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-targeting-pack-10.0-0:10.0.12-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet-templates-10.0-0:10.0.112-1.hum1@aarch64 as a component of Red Hat Hardened Images
  • dotnet-templates-10.0-0:10.0.112-1.hum1@x86_64 as a component of Red Hat Hardened Images
  • dotnet10.0-0:10.0.112-1.hum1@src as a component of Red Hat Hardened Images

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Updated .NET packages that contain the upstream fix are being delivered through the appropriate Red Hat product channels; apply them when they become available for your release.

🔗 References (7)