RHSA-2026:93456: Important: .NET 8.0 security update

Published Nov 2, 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: 8.0.133Runtime version: 8.0.33Security Fix(es): brotli: Out-of-Bounds Write in Google Brotli Decoder (CVE-2026-111497) dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114148) 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.

Affected Software

81 affected componentsFixes available
redhat/dotnet8.0<8.0.133-1.el9_4
8.0.133-1.el9_4
redhat/aspnetcore-runtime<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/aspnetcore-runtime-dbg<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/aspnetcore-targeting-pack<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-apphost-pack<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-apphost-pack<8.0-debuginfo-8.0.33-1.el9_4
8.0-debuginfo-8.0.33-1.el9_4
redhat/dotnet-host<8.0.33-1.el9_4
8.0.33-1.el9_4
redhat/dotnet-host-debuginfo<8.0.33-1.el9_4
8.0.33-1.el9_4
redhat/dotnet-hostfxr<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-hostfxr<8.0-debuginfo-8.0.33-1.el9_4
8.0-debuginfo-8.0.33-1.el9_4
redhat/dotnet-runtime<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-runtime<8.0-debuginfo-8.0.33-1.el9_4
8.0-debuginfo-8.0.33-1.el9_4
redhat/dotnet-runtime-dbg<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-sdk<8.0-8.0.133-1.el9_4
8.0-8.0.133-1.el9_4
redhat/dotnet-sdk<8.0-debuginfo-8.0.133-1.el9_4
8.0-debuginfo-8.0.133-1.el9_4
redhat/dotnet-sdk-dbg<8.0-8.0.133-1.el9_4
8.0-8.0.133-1.el9_4
redhat/dotnet-targeting-pack<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-templates<8.0-8.0.133-1.el9_4
8.0-8.0.133-1.el9_4
redhat/dotnet8.0-debuginfo<8.0.133-1.el9_4
8.0.133-1.el9_4
redhat/dotnet8.0-debugsource<8.0.133-1.el9_4
8.0.133-1.el9_4
redhat/netstandard-targeting-pack<2.1-8.0.133-1.el9_4
2.1-8.0.133-1.el9_4
redhat/aspnetcore-runtime<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/aspnetcore-runtime-dbg<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/aspnetcore-targeting-pack<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-apphost-pack<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-apphost-pack<8.0-debuginfo-8.0.33-1.el9_4
8.0-debuginfo-8.0.33-1.el9_4
redhat/dotnet-host<8.0.33-1.el9_4
8.0.33-1.el9_4
redhat/dotnet-host-debuginfo<8.0.33-1.el9_4
8.0.33-1.el9_4
redhat/dotnet-hostfxr<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-hostfxr<8.0-debuginfo-8.0.33-1.el9_4
8.0-debuginfo-8.0.33-1.el9_4
redhat/dotnet-runtime<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-runtime<8.0-debuginfo-8.0.33-1.el9_4
8.0-debuginfo-8.0.33-1.el9_4
redhat/dotnet-runtime-dbg<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-sdk<8.0-8.0.133-1.el9_4
8.0-8.0.133-1.el9_4
redhat/dotnet-sdk<8.0-debuginfo-8.0.133-1.el9_4
8.0-debuginfo-8.0.133-1.el9_4
redhat/dotnet-sdk-dbg<8.0-8.0.133-1.el9_4
8.0-8.0.133-1.el9_4
redhat/dotnet-targeting-pack<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-templates<8.0-8.0.133-1.el9_4
8.0-8.0.133-1.el9_4
redhat/dotnet8.0-debuginfo<8.0.133-1.el9_4
8.0.133-1.el9_4
redhat/dotnet8.0-debugsource<8.0.133-1.el9_4
8.0.133-1.el9_4
redhat/netstandard-targeting-pack<2.1-8.0.133-1.el9_4
2.1-8.0.133-1.el9_4
redhat/aspnetcore-runtime<8.0-8.0.33-1.el9_4.aa
8.0-8.0.33-1.el9_4.aa
redhat/aspnetcore-runtime-dbg<8.0-8.0.33-1.el9_4.aa
8.0-8.0.33-1.el9_4.aa
redhat/aspnetcore-targeting-pack<8.0-8.0.33-1.el9_4.aa
8.0-8.0.33-1.el9_4.aa
redhat/dotnet-apphost-pack<8.0-8.0.33-1.el9_4.aa
8.0-8.0.33-1.el9_4.aa
redhat/dotnet-apphost-pack<8.0-debuginfo-8.0.33-1.el9_4.aa
8.0-debuginfo-8.0.33-1.el9_4.aa
redhat/dotnet-host<8.0.33-1.el9_4.aa
8.0.33-1.el9_4.aa
redhat/dotnet-host-debuginfo<8.0.33-1.el9_4.aa
8.0.33-1.el9_4.aa
redhat/dotnet-hostfxr<8.0-8.0.33-1.el9_4.aa
8.0-8.0.33-1.el9_4.aa
redhat/dotnet-hostfxr<8.0-debuginfo-8.0.33-1.el9_4.aa
8.0-debuginfo-8.0.33-1.el9_4.aa
redhat/dotnet-runtime<8.0-8.0.33-1.el9_4.aa
8.0-8.0.33-1.el9_4.aa
redhat/dotnet-runtime<8.0-debuginfo-8.0.33-1.el9_4.aa
8.0-debuginfo-8.0.33-1.el9_4.aa
redhat/dotnet-runtime-dbg<8.0-8.0.33-1.el9_4.aa
8.0-8.0.33-1.el9_4.aa
redhat/dotnet-sdk<8.0-8.0.133-1.el9_4.aa
8.0-8.0.133-1.el9_4.aa
redhat/dotnet-sdk<8.0-debuginfo-8.0.133-1.el9_4.aa
8.0-debuginfo-8.0.133-1.el9_4.aa
redhat/dotnet-sdk-dbg<8.0-8.0.133-1.el9_4.aa
8.0-8.0.133-1.el9_4.aa
redhat/dotnet-targeting-pack<8.0-8.0.33-1.el9_4.aa
8.0-8.0.33-1.el9_4.aa
redhat/dotnet-templates<8.0-8.0.133-1.el9_4.aa
8.0-8.0.133-1.el9_4.aa
redhat/dotnet8.0-debuginfo<8.0.133-1.el9_4.aa
8.0.133-1.el9_4.aa
redhat/dotnet8.0-debugsource<8.0.133-1.el9_4.aa
8.0.133-1.el9_4.aa
redhat/netstandard-targeting-pack<2.1-8.0.133-1.el9_4.aa
2.1-8.0.133-1.el9_4.aa
redhat/aspnetcore-runtime<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/aspnetcore-runtime-dbg<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/aspnetcore-targeting-pack<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-apphost-pack<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-apphost-pack<8.0-debuginfo-8.0.33-1.el9_4
8.0-debuginfo-8.0.33-1.el9_4
redhat/dotnet-host<8.0.33-1.el9_4
8.0.33-1.el9_4
redhat/dotnet-host-debuginfo<8.0.33-1.el9_4
8.0.33-1.el9_4
redhat/dotnet-hostfxr<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-hostfxr<8.0-debuginfo-8.0.33-1.el9_4
8.0-debuginfo-8.0.33-1.el9_4
redhat/dotnet-runtime<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-runtime<8.0-debuginfo-8.0.33-1.el9_4
8.0-debuginfo-8.0.33-1.el9_4
redhat/dotnet-runtime-dbg<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-sdk<8.0-8.0.133-1.el9_4
8.0-8.0.133-1.el9_4
redhat/dotnet-sdk<8.0-debuginfo-8.0.133-1.el9_4
8.0-debuginfo-8.0.133-1.el9_4
redhat/dotnet-sdk-dbg<8.0-8.0.133-1.el9_4
8.0-8.0.133-1.el9_4
redhat/dotnet-targeting-pack<8.0-8.0.33-1.el9_4
8.0-8.0.33-1.el9_4
redhat/dotnet-templates<8.0-8.0.133-1.el9_4
8.0-8.0.133-1.el9_4
redhat/dotnet8.0-debuginfo<8.0.133-1.el9_4
8.0.133-1.el9_4
redhat/dotnet8.0-debugsource<8.0.133-1.el9_4
8.0.133-1.el9_4
redhat/netstandard-targeting-pack<2.1-8.0.133-1.el9_4
2.1-8.0.133-1.el9_4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/dotnet8.0 to a version that resolves this vulnerability.

    Fixed in 8.0.133-1.el9_4
  2. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4
  3. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4
  4. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4
  5. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4
  6. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.33-1.el9_4
  7. Upgrade

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

    Fixed in 8.0.33-1.el9_4
  8. Upgrade

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

    Fixed in 8.0.33-1.el9_4
  9. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4
  10. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.33-1.el9_4
  11. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4
  12. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.33-1.el9_4
  13. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4
  14. Upgrade

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

    Fixed in 8.0-8.0.133-1.el9_4
  15. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.133-1.el9_4
  16. Upgrade

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

    Fixed in 8.0-8.0.133-1.el9_4
  17. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4
  18. Upgrade

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

    Fixed in 8.0-8.0.133-1.el9_4
  19. Upgrade

    Upgrade redhat/dotnet8.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 8.0.133-1.el9_4
  20. Upgrade

    Upgrade redhat/dotnet8.0-debugsource to a version that resolves this vulnerability.

    Fixed in 8.0.133-1.el9_4
  21. Upgrade

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

    Fixed in 2.1-8.0.133-1.el9_4
  22. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4.aa
  23. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4.aa
  24. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4.aa
  25. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4.aa
  26. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.33-1.el9_4.aa
  27. Upgrade

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

    Fixed in 8.0.33-1.el9_4.aa
  28. Upgrade

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

    Fixed in 8.0.33-1.el9_4.aa
  29. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4.aa
  30. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.33-1.el9_4.aa
  31. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4.aa
  32. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.33-1.el9_4.aa
  33. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4.aa
  34. Upgrade

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

    Fixed in 8.0-8.0.133-1.el9_4.aa
  35. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.133-1.el9_4.aa
  36. Upgrade

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

    Fixed in 8.0-8.0.133-1.el9_4.aa
  37. Upgrade

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

    Fixed in 8.0-8.0.33-1.el9_4.aa
  38. Upgrade

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

    Fixed in 8.0-8.0.133-1.el9_4.aa
  39. Upgrade

    Upgrade redhat/dotnet8.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 8.0.133-1.el9_4.aa
  40. Upgrade

    Upgrade redhat/dotnet8.0-debugsource to a version that resolves this vulnerability.

    Fixed in 8.0.133-1.el9_4.aa
  41. Upgrade

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

    Fixed in 2.1-8.0.133-1.el9_4.aa

Event History

Nov 2, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Company

Resources

Contact

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