RHSA-2026:99145HighCVSS 9.0

Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update

Published
November 11, 2026
Last Modified
November 12, 2026

🔗 CVE IDs covered (6)

CVE-2026-114146 →CVE-2026-114147 →CVE-2026-114149 →CVE-2026-105544 →CVE-2026-109475 →CVE-2026-109476 →

📋 Description

CVE-2026-105544 — dotnet11.0: dotnet10.0: dotnet9.0: dotnet8.0: .NET Elevation of Privilege Vulnerability CVE-2026-109475 — dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: .NET Denial of Service Vulnerability CVE-2026-109476 — dotnet8.0: dotnet11.0: dotnet9.0: dotnet10.0: ASP.NET Core Information Disclosure Vulnerability CVE-2026-114146 — dotnet9.0: dotnet11.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Elevation of Privilege Vulnerability CVE-2026-114147 — dotnet11.0: dotnet8.0: dotnet9.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability CVE-2026-114149 — dotnet11.0: dotnet8.0: dotnet9.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability

🎯 Affected products101

  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • aspnetcore-runtime-9.0-0:9.0.23-1.el10_3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-runtime-9.0-0:9.0.23-1.el10_3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-runtime-9.0-0:9.0.23-1.el10_3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-runtime-9.0-0:9.0.23-1.el10_3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-runtime-dbg-9.0-0:9.0.23-1.el10_3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-runtime-dbg-9.0-0:9.0.23-1.el10_3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-runtime-dbg-9.0-0:9.0.23-1.el10_3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-runtime-dbg-9.0-0:9.0.23-1.el10_3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-targeting-pack-9.0-0:9.0.23-1.el10_3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-targeting-pack-9.0-0:9.0.23-1.el10_3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-targeting-pack-9.0-0:9.0.23-1.el10_3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • aspnetcore-targeting-pack-9.0-0:9.0.23-1.el10_3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-apphost-pack-9.0-0:9.0.23-1.el10_3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-apphost-pack-9.0-0:9.0.23-1.el10_3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-apphost-pack-9.0-0:9.0.23-1.el10_3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-apphost-pack-9.0-0:9.0.23-1.el10_3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-apphost-pack-9.0-debuginfo-0:9.0.23-1.el10_3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-apphost-pack-9.0-debuginfo-0:9.0.23-1.el10_3.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • dotnet-apphost-pack-9.0-debuginfo-0:9.0.23-1.el10_3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-apphost-pack-9.0-debuginfo-0:9.0.23-1.el10_3.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • dotnet-apphost-pack-9.0-debuginfo-0:9.0.23-1.el10_3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-apphost-pack-9.0-debuginfo-0:9.0.23-1.el10_3.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • dotnet-apphost-pack-9.0-debuginfo-0:9.0.23-1.el10_3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-apphost-pack-9.0-debuginfo-0:9.0.23-1.el10_3.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • dotnet-hostfxr-9.0-0:9.0.23-1.el10_3.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-hostfxr-9.0-0:9.0.23-1.el10_3.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-hostfxr-9.0-0:9.0.23-1.el10_3.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • dotnet-hostfxr-9.0-0:9.0.23-1.el10_3.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • +71 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

🔗 References (9)