RHSA-2026:58568: Important: .NET 8.0 security, bug fix, and enhancement update

Published Aug 24, 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: 8.0.130Runtime version: 8.0.30Security Fix(es): dotnet: SocketsHttpHandler Http2Connection - HTTP/2 SETTINGS/PING ACK flood causing OOM (CVE-2026-50651) dotnet: .NET Core: Denial of Service via type confusion (CVE-2026-57108) ASP.NET Core: ASP.NET Core: Denial of Service via uncontrolled resource allocation (CVE-2026-56170) ASP.NET Core: ASP.NET Core: Privilege Escalation via Incorrect Authentication Algorithm (CVE-2026-47300) ASP.NET Core: ASP.NET Core: Privilege Elevation via Authentication Bypass (CVE-2026-47303) dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-47304) dotnet: .NET: Denial of Service vulnerability due to uncontrolled resource allocation (CVE-2026-47302) dotnet: .NET Framework: Privilege escalation via code injection (CVE-2026-50650) dotnet: .NET: Security feature bypass due to incorrect authorization (CVE-2026-50528) dotnet: .NET: Local code execution via deserialization of untrusted data (CVE-2026-50649) dotnet: .NET: Local tampering via improper link resolution (CVE-2026-50526) dotnet: .NET Framework: Local Code Execution via Protection Mechanism Failure (CVE-2026-50646) dotnet: .NET: Denial of Service due to uncontrolled resource allocation (CVE-2026-50525) dotnet: .NET Framework: Denial of Service via network-based buffer overflow (CVE-2026-50527) dotnet: .NET Framework: Remote Denial of Service due to uncontrolled resource allocation (CVE-2026-50648) .NET: .NET: Network Spoofing Vulnerability (CVE-2026-50659) dotnet: .NET Framework: Denial of Service via improper input validation (CVE-2026-50524) .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899) .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900) .NET: .NET Denial of Service Vulnerability (CVE-2026-62901) .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909) Bug Fix(es) and Enhancement(s): dotnet8.0: Reduce time to detect hanging builds during .NET RPM builds (c9s) [rhel-9.4.z] (JIRA:RHEL-192331) 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<8.0.130-1.el9_4
8.0.130-1.el9_4
redhat/aspnetcore-runtime<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/aspnetcore-runtime-dbg<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/aspnetcore-targeting-pack<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-apphost-pack<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-apphost-pack<8.0-debuginfo-8.0.30-1.el9_4
8.0-debuginfo-8.0.30-1.el9_4
redhat/dotnet-host<8.0.30-1.el9_4
8.0.30-1.el9_4
redhat/dotnet-host-debuginfo<8.0.30-1.el9_4
8.0.30-1.el9_4
redhat/dotnet-hostfxr<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-hostfxr<8.0-debuginfo-8.0.30-1.el9_4
8.0-debuginfo-8.0.30-1.el9_4
redhat/dotnet-runtime<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-runtime<8.0-debuginfo-8.0.30-1.el9_4
8.0-debuginfo-8.0.30-1.el9_4
redhat/dotnet-runtime-dbg<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-sdk<8.0-8.0.130-1.el9_4
8.0-8.0.130-1.el9_4
redhat/dotnet-sdk<8.0-debuginfo-8.0.130-1.el9_4
8.0-debuginfo-8.0.130-1.el9_4
redhat/dotnet-sdk-dbg<8.0-8.0.130-1.el9_4
8.0-8.0.130-1.el9_4
redhat/dotnet-targeting-pack<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-templates<8.0-8.0.130-1.el9_4
8.0-8.0.130-1.el9_4
redhat/dotnet8.0-debuginfo<8.0.130-1.el9_4
8.0.130-1.el9_4
redhat/dotnet8.0-debugsource<8.0.130-1.el9_4
8.0.130-1.el9_4
redhat/netstandard-targeting-pack<2.1-8.0.130-1.el9_4
2.1-8.0.130-1.el9_4
redhat/aspnetcore-runtime<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/aspnetcore-runtime-dbg<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/aspnetcore-targeting-pack<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-apphost-pack<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-apphost-pack<8.0-debuginfo-8.0.30-1.el9_4
8.0-debuginfo-8.0.30-1.el9_4
redhat/dotnet-host<8.0.30-1.el9_4
8.0.30-1.el9_4
redhat/dotnet-host-debuginfo<8.0.30-1.el9_4
8.0.30-1.el9_4
redhat/dotnet-hostfxr<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-hostfxr<8.0-debuginfo-8.0.30-1.el9_4
8.0-debuginfo-8.0.30-1.el9_4
redhat/dotnet-runtime<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-runtime<8.0-debuginfo-8.0.30-1.el9_4
8.0-debuginfo-8.0.30-1.el9_4
redhat/dotnet-runtime-dbg<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-sdk<8.0-8.0.130-1.el9_4
8.0-8.0.130-1.el9_4
redhat/dotnet-sdk<8.0-debuginfo-8.0.130-1.el9_4
8.0-debuginfo-8.0.130-1.el9_4
redhat/dotnet-sdk-dbg<8.0-8.0.130-1.el9_4
8.0-8.0.130-1.el9_4
redhat/dotnet-targeting-pack<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-templates<8.0-8.0.130-1.el9_4
8.0-8.0.130-1.el9_4
redhat/dotnet8.0-debuginfo<8.0.130-1.el9_4
8.0.130-1.el9_4
redhat/dotnet8.0-debugsource<8.0.130-1.el9_4
8.0.130-1.el9_4
redhat/netstandard-targeting-pack<2.1-8.0.130-1.el9_4
2.1-8.0.130-1.el9_4
redhat/aspnetcore-runtime<8.0-8.0.30-1.el9_4.aa
8.0-8.0.30-1.el9_4.aa
redhat/aspnetcore-runtime-dbg<8.0-8.0.30-1.el9_4.aa
8.0-8.0.30-1.el9_4.aa
redhat/aspnetcore-targeting-pack<8.0-8.0.30-1.el9_4.aa
8.0-8.0.30-1.el9_4.aa
redhat/dotnet-apphost-pack<8.0-8.0.30-1.el9_4.aa
8.0-8.0.30-1.el9_4.aa
redhat/dotnet-apphost-pack<8.0-debuginfo-8.0.30-1.el9_4.aa
8.0-debuginfo-8.0.30-1.el9_4.aa
redhat/dotnet-host<8.0.30-1.el9_4.aa
8.0.30-1.el9_4.aa
redhat/dotnet-host-debuginfo<8.0.30-1.el9_4.aa
8.0.30-1.el9_4.aa
redhat/dotnet-hostfxr<8.0-8.0.30-1.el9_4.aa
8.0-8.0.30-1.el9_4.aa
redhat/dotnet-hostfxr<8.0-debuginfo-8.0.30-1.el9_4.aa
8.0-debuginfo-8.0.30-1.el9_4.aa
redhat/dotnet-runtime<8.0-8.0.30-1.el9_4.aa
8.0-8.0.30-1.el9_4.aa
redhat/dotnet-runtime<8.0-debuginfo-8.0.30-1.el9_4.aa
8.0-debuginfo-8.0.30-1.el9_4.aa
redhat/dotnet-runtime-dbg<8.0-8.0.30-1.el9_4.aa
8.0-8.0.30-1.el9_4.aa
redhat/dotnet-sdk<8.0-8.0.130-1.el9_4.aa
8.0-8.0.130-1.el9_4.aa
redhat/dotnet-sdk<8.0-debuginfo-8.0.130-1.el9_4.aa
8.0-debuginfo-8.0.130-1.el9_4.aa
redhat/dotnet-sdk-dbg<8.0-8.0.130-1.el9_4.aa
8.0-8.0.130-1.el9_4.aa
redhat/dotnet-targeting-pack<8.0-8.0.30-1.el9_4.aa
8.0-8.0.30-1.el9_4.aa
redhat/dotnet-templates<8.0-8.0.130-1.el9_4.aa
8.0-8.0.130-1.el9_4.aa
redhat/dotnet8.0-debuginfo<8.0.130-1.el9_4.aa
8.0.130-1.el9_4.aa
redhat/dotnet8.0-debugsource<8.0.130-1.el9_4.aa
8.0.130-1.el9_4.aa
redhat/netstandard-targeting-pack<2.1-8.0.130-1.el9_4.aa
2.1-8.0.130-1.el9_4.aa
redhat/aspnetcore-runtime<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/aspnetcore-runtime-dbg<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/aspnetcore-targeting-pack<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-apphost-pack<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-apphost-pack<8.0-debuginfo-8.0.30-1.el9_4
8.0-debuginfo-8.0.30-1.el9_4
redhat/dotnet-host<8.0.30-1.el9_4
8.0.30-1.el9_4
redhat/dotnet-host-debuginfo<8.0.30-1.el9_4
8.0.30-1.el9_4
redhat/dotnet-hostfxr<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-hostfxr<8.0-debuginfo-8.0.30-1.el9_4
8.0-debuginfo-8.0.30-1.el9_4
redhat/dotnet-runtime<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-runtime<8.0-debuginfo-8.0.30-1.el9_4
8.0-debuginfo-8.0.30-1.el9_4
redhat/dotnet-runtime-dbg<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-sdk<8.0-8.0.130-1.el9_4
8.0-8.0.130-1.el9_4
redhat/dotnet-sdk<8.0-debuginfo-8.0.130-1.el9_4
8.0-debuginfo-8.0.130-1.el9_4
redhat/dotnet-sdk-dbg<8.0-8.0.130-1.el9_4
8.0-8.0.130-1.el9_4
redhat/dotnet-targeting-pack<8.0-8.0.30-1.el9_4
8.0-8.0.30-1.el9_4
redhat/dotnet-templates<8.0-8.0.130-1.el9_4
8.0-8.0.130-1.el9_4
redhat/dotnet8.0-debuginfo<8.0.130-1.el9_4
8.0.130-1.el9_4
redhat/dotnet8.0-debugsource<8.0.130-1.el9_4
8.0.130-1.el9_4
redhat/netstandard-targeting-pack<2.1-8.0.130-1.el9_4
2.1-8.0.130-1.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 8.0.130-1.el9_4
  2. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4
  3. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4
  4. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4
  5. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4
  6. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.30-1.el9_4
  7. Upgrade

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

    Fixed in 8.0.30-1.el9_4
  8. Upgrade

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

    Fixed in 8.0.30-1.el9_4
  9. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4
  10. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.30-1.el9_4
  11. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4
  12. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.30-1.el9_4
  13. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4
  14. Upgrade

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

    Fixed in 8.0-8.0.130-1.el9_4
  15. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.130-1.el9_4
  16. Upgrade

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

    Fixed in 8.0-8.0.130-1.el9_4
  17. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4
  18. Upgrade

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

    Fixed in 8.0-8.0.130-1.el9_4
  19. Upgrade

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

    Fixed in 8.0.130-1.el9_4
  20. Upgrade

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

    Fixed in 8.0.130-1.el9_4
  21. Upgrade

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

    Fixed in 2.1-8.0.130-1.el9_4
  22. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4.aa
  23. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4.aa
  24. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4.aa
  25. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4.aa
  26. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.30-1.el9_4.aa
  27. Upgrade

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

    Fixed in 8.0.30-1.el9_4.aa
  28. Upgrade

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

    Fixed in 8.0.30-1.el9_4.aa
  29. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4.aa
  30. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.30-1.el9_4.aa
  31. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4.aa
  32. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.30-1.el9_4.aa
  33. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4.aa
  34. Upgrade

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

    Fixed in 8.0-8.0.130-1.el9_4.aa
  35. Upgrade

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

    Fixed in 8.0-debuginfo-8.0.130-1.el9_4.aa
  36. Upgrade

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

    Fixed in 8.0-8.0.130-1.el9_4.aa
  37. Upgrade

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

    Fixed in 8.0-8.0.30-1.el9_4.aa
  38. Upgrade

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

    Fixed in 8.0-8.0.130-1.el9_4.aa
  39. Upgrade

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

    Fixed in 8.0.130-1.el9_4.aa
  40. Upgrade

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

    Fixed in 8.0.130-1.el9_4.aa
  41. Upgrade

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

    Fixed in 2.1-8.0.130-1.el9_4.aa
  42. Upgrade

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

    Fixed in 8.0.130
  43. Upgrade

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

    Fixed in 8.0.30
  44. Upgrade

    Upgrade dotnet: SocketsHttpHandler Http2Connection to a version that resolves this vulnerability.

    Patch CVE-2026-50651
  45. Upgrade

    Upgrade .NET Core / .NET to a version that resolves this vulnerability.

    Patch CVE-2026-62899
  46. Upgrade

    Upgrade .NET to a version that resolves this vulnerability.

    Patch CVE-2026-62901
  47. Upgrade

    Upgrade .NET to a version that resolves this vulnerability.

    Patch CVE-2026-62909
  48. Upgrade

    Upgrade .NET to a version that resolves this vulnerability.

    Patch CVE-2026-62900
  49. Upgrade

    Upgrade .NET to a version that resolves this vulnerability.

    Patch CVE-2026-50659
  50. Upgrade

    Upgrade ASP.NET Core to a version that resolves this vulnerability.

    Patch CVE-2026-56170
  51. Upgrade

    Upgrade ASP.NET Core to a version that resolves this vulnerability.

    Patch CVE-2026-47303
  52. Upgrade

    Upgrade ASP.NET Core to a version that resolves this vulnerability.

    Patch CVE-2026-47300
  53. Upgrade

    Upgrade dotnet: .NET Core to a version that resolves this vulnerability.

    Patch CVE-2026-57108
  54. Upgrade

    Upgrade dotnet: .NET Framework to a version that resolves this vulnerability.

    Patch CVE-2026-50524
  55. Upgrade

    Upgrade dotnet: .NET Framework to a version that resolves this vulnerability.

    Patch CVE-2026-50527
  56. Upgrade

    Upgrade dotnet: .NET Framework to a version that resolves this vulnerability.

    Patch CVE-2026-50646
  57. Upgrade

    Upgrade dotnet: .NET Framework to a version that resolves this vulnerability.

    Patch CVE-2026-50650
  58. Upgrade

    Upgrade dotnet: .NET Framework to a version that resolves this vulnerability.

    Patch CVE-2026-50648
  59. Upgrade

    Upgrade dotnet to a version that resolves this vulnerability.

    Patch CVE-2026-47304
  60. Upgrade

    Upgrade dotnet: .NET to a version that resolves this vulnerability.

    Patch CVE-2026-50525
  61. Upgrade

    Upgrade dotnet to a version that resolves this vulnerability.

    Patch CVE-2026-47302
  62. Upgrade

    Upgrade dotnet to a version that resolves this vulnerability.

    Patch CVE-2026-50649
  63. Upgrade

    Upgrade dotnet to a version that resolves this vulnerability.

    Patch CVE-2026-50526
  64. Upgrade

    Upgrade dotnet to a version that resolves this vulnerability.

    Patch CVE-2026-50528
  65. Upgrade

    Upgrade dotnet8.0 (RHEL RPM builds) to a version that resolves this vulnerability.

    Patch JIRA:RHEL-192331

Event History

Aug 24, 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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