RHSA-2026:99054: Important: .NET 11.0 security, bug fix, and enhancement update

Published Nov 11, 2026
·
Updated

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.SDK version: 11.0.100Runtime version: 11.0.0Security Fix(es): dotnet8.0: dotnet11.0: dotnet9.0: dotnet10.0: ASP.NET Core Information Disclosure Vulnerability (CVE-2026-109476) dotnet11.0: dotnet10.0: dotnet9.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-105544) dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: .NET Denial of Service Vulnerability (CVE-2026-109475) dotnet11.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-109481) dotnet9.0: dotnet11.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114146) dotnet11.0: dotnet8.0: dotnet9.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-114147) dotnet11.0: dotnet8.0: dotnet9.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-114149) dotnet11.0: ASP.NET Core Information Disclosure Vulnerability (CVE-2026-114150) dotnet11.0: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-114156) dotnet11.0: .NET Security Feature Bypass Vulnerability (CVE-2026-118746) dotnet11.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-118748) dotnet11.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-118749) dotnet11.0: .NET Denial of Service Vulnerability (CVE-2026-120796) dotnet10.0: dotnet11.0: .NET Elevation of Privilege Vulnerability (CVE-2026-114155) Bug Fix(es) and Enhancement(s): Update .NET 11.0 to SDK 11.0.100 and Runtime 11.0.0 (JIRA:RHEL-302526) 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.

Other sources

Important: .NET 11.0 security, bug fix, and enhancement update

— Red Hat

Affected Software

93 affected componentsFixes available
Red Hat Red Hat CodeReady Linux Builder for ARM 64
Red Hat Red Hat CodeReady Linux Builder for x86_64
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
redhat/dotnet11.0<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/aspnetcore-runtime<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/aspnetcore-runtime-dbg<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/aspnetcore-targeting-pack<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/dotnet-apphost-pack<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-apphost-pack<11.0-debuginfo-11.0.0-1.el8_10
11.0-debuginfo-11.0.0-1.el8_10
redhat/dotnet-host<11.0.0-1.el8_10
11.0.0-1.el8_10
redhat/dotnet-host-debuginfo<11.0.0-1.el8_10
11.0.0-1.el8_10
redhat/dotnet-hostfxr<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-hostfxr<11.0-debuginfo-11.0.0-1.el8_10
11.0-debuginfo-11.0.0-1.el8_10
redhat/dotnet-runtime<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-runtime<11.0-debuginfo-11.0.0-1.el8_10
11.0-debuginfo-11.0.0-1.el8_10
redhat/dotnet-runtime-dbg<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-sdk<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet-sdk<11.0-debuginfo-11.0.100-1.el8_10
11.0-debuginfo-11.0.100-1.el8_10
redhat/dotnet-sdk-aot<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet-sdk-aot<11.0-debuginfo-11.0.100-1.el8_10
11.0-debuginfo-11.0.100-1.el8_10
redhat/dotnet-sdk-dbg<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet-targeting-pack<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-templates<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet11.0-debuginfo<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/dotnet11.0-debugsource<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/aspnetcore-runtime<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/aspnetcore-runtime-dbg<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/aspnetcore-targeting-pack<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/dotnet-apphost-pack<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-apphost-pack<11.0-debuginfo-11.0.0-1.el8_10
11.0-debuginfo-11.0.0-1.el8_10
redhat/dotnet-host<11.0.0-1.el8_10
11.0.0-1.el8_10
redhat/dotnet-host-debuginfo<11.0.0-1.el8_10
11.0.0-1.el8_10
redhat/dotnet-hostfxr<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-hostfxr<11.0-debuginfo-11.0.0-1.el8_10
11.0-debuginfo-11.0.0-1.el8_10
redhat/dotnet-runtime<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-runtime<11.0-debuginfo-11.0.0-1.el8_10
11.0-debuginfo-11.0.0-1.el8_10
redhat/dotnet-runtime-dbg<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-sdk<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet-sdk<11.0-debuginfo-11.0.100-1.el8_10
11.0-debuginfo-11.0.100-1.el8_10
redhat/dotnet-sdk-dbg<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet-targeting-pack<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-templates<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet11.0-debuginfo<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/dotnet11.0-debugsource<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/aspnetcore-runtime<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/aspnetcore-runtime-dbg<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/aspnetcore-targeting-pack<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/dotnet-apphost-pack<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-apphost-pack<11.0-debuginfo-11.0.0-1.el8_10
11.0-debuginfo-11.0.0-1.el8_10
redhat/dotnet-host<11.0.0-1.el8_10
11.0.0-1.el8_10
redhat/dotnet-host-debuginfo<11.0.0-1.el8_10
11.0.0-1.el8_10
redhat/dotnet-hostfxr<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-hostfxr<11.0-debuginfo-11.0.0-1.el8_10
11.0-debuginfo-11.0.0-1.el8_10
redhat/dotnet-runtime<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-runtime<11.0-debuginfo-11.0.0-1.el8_10
11.0-debuginfo-11.0.0-1.el8_10
redhat/dotnet-runtime-dbg<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-sdk<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet-sdk<11.0-debuginfo-11.0.100-1.el8_10
11.0-debuginfo-11.0.100-1.el8_10
redhat/dotnet-sdk-dbg<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet-targeting-pack<11.0-11.0.0-1.el8_10
11.0-11.0.0-1.el8_10
redhat/dotnet-templates<11.0-11.0.100-1.el8_10
11.0-11.0.100-1.el8_10
redhat/dotnet11.0-debuginfo<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/dotnet11.0-debugsource<11.0.100-1.el8_10
11.0.100-1.el8_10
redhat/aspnetcore-runtime<11.0-11.0.0-1.el8_10.aa
11.0-11.0.0-1.el8_10.aa
redhat/aspnetcore-runtime-dbg<11.0-11.0.0-1.el8_10.aa
11.0-11.0.0-1.el8_10.aa
redhat/aspnetcore-targeting-pack<11.0-11.0.0-1.el8_10.aa
11.0-11.0.0-1.el8_10.aa
redhat/dotnet<11.0.100-1.el8_10.aa
11.0.100-1.el8_10.aa
redhat/dotnet-apphost-pack<11.0-11.0.0-1.el8_10.aa
11.0-11.0.0-1.el8_10.aa
redhat/dotnet-apphost-pack<11.0-debuginfo-11.0.0-1.el8_10.aa
11.0-debuginfo-11.0.0-1.el8_10.aa
redhat/dotnet-host<11.0.0-1.el8_10.aa
11.0.0-1.el8_10.aa
redhat/dotnet-host-debuginfo<11.0.0-1.el8_10.aa
11.0.0-1.el8_10.aa
redhat/dotnet-hostfxr<11.0-11.0.0-1.el8_10.aa
11.0-11.0.0-1.el8_10.aa
redhat/dotnet-hostfxr<11.0-debuginfo-11.0.0-1.el8_10.aa
11.0-debuginfo-11.0.0-1.el8_10.aa
redhat/dotnet-runtime<11.0-11.0.0-1.el8_10.aa
11.0-11.0.0-1.el8_10.aa
redhat/dotnet-runtime<11.0-debuginfo-11.0.0-1.el8_10.aa
11.0-debuginfo-11.0.0-1.el8_10.aa
redhat/dotnet-runtime-dbg<11.0-11.0.0-1.el8_10.aa
11.0-11.0.0-1.el8_10.aa
redhat/dotnet-sdk<11.0-11.0.100-1.el8_10.aa
11.0-11.0.100-1.el8_10.aa
redhat/dotnet-sdk<11.0-debuginfo-11.0.100-1.el8_10.aa
11.0-debuginfo-11.0.100-1.el8_10.aa
redhat/dotnet-sdk-aot<11.0-11.0.100-1.el8_10.aa
11.0-11.0.100-1.el8_10.aa
redhat/dotnet-sdk-aot<11.0-debuginfo-11.0.100-1.el8_10.aa
11.0-debuginfo-11.0.100-1.el8_10.aa
redhat/dotnet-sdk-dbg<11.0-11.0.100-1.el8_10.aa
11.0-11.0.100-1.el8_10.aa
redhat/dotnet-targeting-pack<11.0-11.0.0-1.el8_10.aa
11.0-11.0.0-1.el8_10.aa
redhat/dotnet-templates<11.0-11.0.100-1.el8_10.aa
11.0-11.0.100-1.el8_10.aa
redhat/dotnet11.0-debuginfo<11.0.100-1.el8_10.aa
11.0.100-1.el8_10.aa
redhat/dotnet11.0-debugsource<11.0.100-1.el8_10.aa
11.0.100-1.el8_10.aa
redhat/dotnet-sdk<11.0-source-built-artifacts-11.0.100-1.el8_10
11.0-source-built-artifacts-11.0.100-1.el8_10
redhat/dotnet-sdk<11.0-source-built-artifacts-11.0.100-1.el8_10
11.0-source-built-artifacts-11.0.100-1.el8_10
redhat/dotnet-sdk<11.0-source-built-artifacts-11.0.100-1.el8_10.aa
11.0-source-built-artifacts-11.0.100-1.el8_10.aa
redhat/dotnet-sdk<11.0-source-built-artifacts-11.0.100-1.el8_10
11.0-source-built-artifacts-11.0.100-1.el8_10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/dotnet11.0 to a version that resolves this vulnerability.

    Fixed in 11.0.100-1.el8_10
  2. Upgrade

    Upgrade redhat/aspnetcore-runtime to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10
  3. Upgrade

    Upgrade redhat/aspnetcore-runtime-dbg to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10
  4. Upgrade

    Upgrade redhat/aspnetcore-targeting-pack to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10
  5. Upgrade

    Upgrade redhat/dotnet to a version that resolves this vulnerability.

    Fixed in 11.0.100-1.el8_10
  6. Upgrade

    Upgrade redhat/dotnet-apphost-pack to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10
  7. Upgrade

    Upgrade redhat/dotnet-apphost-pack to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.0-1.el8_10
  8. Upgrade

    Upgrade redhat/dotnet-host to a version that resolves this vulnerability.

    Fixed in 11.0.0-1.el8_10
  9. Upgrade

    Upgrade redhat/dotnet-host-debuginfo to a version that resolves this vulnerability.

    Fixed in 11.0.0-1.el8_10
  10. Upgrade

    Upgrade redhat/dotnet-hostfxr to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10
  11. Upgrade

    Upgrade redhat/dotnet-hostfxr to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.0-1.el8_10
  12. Upgrade

    Upgrade redhat/dotnet-runtime to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10
  13. Upgrade

    Upgrade redhat/dotnet-runtime to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.0-1.el8_10
  14. Upgrade

    Upgrade redhat/dotnet-runtime-dbg to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10
  15. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.100-1.el8_10
  16. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.100-1.el8_10
  17. Upgrade

    Upgrade redhat/dotnet-sdk-aot to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.100-1.el8_10
  18. Upgrade

    Upgrade redhat/dotnet-sdk-aot to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.100-1.el8_10
  19. Upgrade

    Upgrade redhat/dotnet-sdk-dbg to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.100-1.el8_10
  20. Upgrade

    Upgrade redhat/dotnet-targeting-pack to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10
  21. Upgrade

    Upgrade redhat/dotnet-templates to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.100-1.el8_10
  22. Upgrade

    Upgrade redhat/dotnet11.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 11.0.100-1.el8_10
  23. Upgrade

    Upgrade redhat/dotnet11.0-debugsource to a version that resolves this vulnerability.

    Fixed in 11.0.100-1.el8_10
  24. Upgrade

    Upgrade redhat/aspnetcore-runtime to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10.aa
  25. Upgrade

    Upgrade redhat/aspnetcore-runtime-dbg to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10.aa
  26. Upgrade

    Upgrade redhat/aspnetcore-targeting-pack to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10.aa
  27. Upgrade

    Upgrade redhat/dotnet to a version that resolves this vulnerability.

    Fixed in 11.0.100-1.el8_10.aa
  28. Upgrade

    Upgrade redhat/dotnet-apphost-pack to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10.aa
  29. Upgrade

    Upgrade redhat/dotnet-apphost-pack to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.0-1.el8_10.aa
  30. Upgrade

    Upgrade redhat/dotnet-host to a version that resolves this vulnerability.

    Fixed in 11.0.0-1.el8_10.aa
  31. Upgrade

    Upgrade redhat/dotnet-host-debuginfo to a version that resolves this vulnerability.

    Fixed in 11.0.0-1.el8_10.aa
  32. Upgrade

    Upgrade redhat/dotnet-hostfxr to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10.aa
  33. Upgrade

    Upgrade redhat/dotnet-hostfxr to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.0-1.el8_10.aa
  34. Upgrade

    Upgrade redhat/dotnet-runtime to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10.aa
  35. Upgrade

    Upgrade redhat/dotnet-runtime to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.0-1.el8_10.aa
  36. Upgrade

    Upgrade redhat/dotnet-runtime-dbg to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10.aa
  37. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.100-1.el8_10.aa
  38. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.100-1.el8_10.aa
  39. Upgrade

    Upgrade redhat/dotnet-sdk-aot to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.100-1.el8_10.aa
  40. Upgrade

    Upgrade redhat/dotnet-sdk-aot to a version that resolves this vulnerability.

    Fixed in 11.0-debuginfo-11.0.100-1.el8_10.aa
  41. Upgrade

    Upgrade redhat/dotnet-sdk-dbg to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.100-1.el8_10.aa
  42. Upgrade

    Upgrade redhat/dotnet-targeting-pack to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.0-1.el8_10.aa
  43. Upgrade

    Upgrade redhat/dotnet-templates to a version that resolves this vulnerability.

    Fixed in 11.0-11.0.100-1.el8_10.aa
  44. Upgrade

    Upgrade redhat/dotnet11.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 11.0.100-1.el8_10.aa
  45. Upgrade

    Upgrade redhat/dotnet11.0-debugsource to a version that resolves this vulnerability.

    Fixed in 11.0.100-1.el8_10.aa
  46. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 11.0-source-built-artifacts-11.0.100-1.el8_10
  47. Upgrade

    Upgrade redhat/dotnet-sdk to a version that resolves this vulnerability.

    Fixed in 11.0-source-built-artifacts-11.0.100-1.el8_10.aa
  48. Upgrade

    Upgrade .NET 11.0 SDK to a version that resolves this vulnerability.

    Fixed in 11.0.100
  49. Upgrade

    Upgrade .NET 11.0 Runtime to a version that resolves this vulnerability.

    Fixed in 11.0.0

Event History

Nov 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·04:33 PM
Data Sourced
via Red Hat·04:33 PM
Severity

Company

Resources

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