RHSA-2026:93457HighCVSS 8.1

Red Hat Security Advisory: .NET 8.0 security update

Published
November 2, 2026
Last Modified
November 2, 2026

🔗 CVE IDs covered (2)

CVE-2026-114148 →CVE-2026-111497 →

📋 Description

CVE-2026-111497 — brotli: Out-of-Bounds Write in Google Brotli Decoder CVE-2026-114148 — dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: ASP.NET Core Elevation of Privilege Vulnerability

🎯 Affected products99

  • Red Hat CodeReady Linux Builder EUS (v.9.6)
  • Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-runtime-8.0-0:8.0.33-1.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-runtime-8.0-0:8.0.33-1.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-runtime-8.0-0:8.0.33-1.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-runtime-8.0-0:8.0.33-1.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-runtime-dbg-8.0-0:8.0.33-1.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-runtime-dbg-8.0-0:8.0.33-1.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-runtime-dbg-8.0-0:8.0.33-1.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-runtime-dbg-8.0-0:8.0.33-1.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-targeting-pack-8.0-0:8.0.33-1.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-targeting-pack-8.0-0:8.0.33-1.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-targeting-pack-8.0-0:8.0.33-1.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • aspnetcore-targeting-pack-8.0-0:8.0.33-1.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-apphost-pack-8.0-0:8.0.33-1.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-apphost-pack-8.0-0:8.0.33-1.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-apphost-pack-8.0-0:8.0.33-1.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-apphost-pack-8.0-0:8.0.33-1.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-apphost-pack-8.0-debuginfo-0:8.0.33-1.el9_6.aarch64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • dotnet-apphost-pack-8.0-debuginfo-0:8.0.33-1.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-apphost-pack-8.0-debuginfo-0:8.0.33-1.el9_6.ppc64le as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • dotnet-apphost-pack-8.0-debuginfo-0:8.0.33-1.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-apphost-pack-8.0-debuginfo-0:8.0.33-1.el9_6.s390x as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • dotnet-apphost-pack-8.0-debuginfo-0:8.0.33-1.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-apphost-pack-8.0-debuginfo-0:8.0.33-1.el9_6.x86_64 as a component of Red Hat CodeReady Linux Builder EUS (v.9.6)
  • dotnet-apphost-pack-8.0-debuginfo-0:8.0.33-1.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-hostfxr-8.0-0:8.0.33-1.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-hostfxr-8.0-0:8.0.33-1.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-hostfxr-8.0-0:8.0.33-1.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • dotnet-hostfxr-8.0-0:8.0.33-1.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
  • +69 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: See the security bulletin for a detailed mitigation procedure.

🔗 References (5)