RLSA-2026:99053: Important: .NET 10.0 security, bug fix, and enhancement update

Published Nov 13, 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: 10.0.115 Runtime version: 10.0.15

Security 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)

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)

Bug Fix(es) and Enhancement(s):

Update .NET 10.0 to SDK 10.0.115 and Runtime 10.0.15 (JIRA:Rocky Linux-302519)

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

20 affected componentsFixes available
rocky-linux/aspnetcore-runtime-10.0<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/aspnetcore-runtime-dbg-10.0<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/aspnetcore-targeting-pack-10.0<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/dotnet10.0-debuginfo<0:10.0.115-1.el8_10
0:10.0.115-1.el8_10
rocky-linux/dotnet10.0-debugsource<0:10.0.115-1.el8_10
0:10.0.115-1.el8_10
rocky-linux/dotnet-apphost-pack-10.0<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/dotnet-apphost-pack-10.0-debuginfo<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/dotnet-hostfxr-10.0<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/dotnet-hostfxr-10.0-debuginfo<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/dotnet-runtime-10.0<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/dotnet-runtime-10.0-debuginfo<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/dotnet-runtime-dbg-10.0<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/dotnet-sdk-10.0<0:10.0.115-1.el8_10
0:10.0.115-1.el8_10
rocky-linux/dotnet-sdk-10.0-debuginfo<0:10.0.115-1.el8_10
0:10.0.115-1.el8_10
rocky-linux/dotnet-sdk-10.0-source-built-artifacts<0:10.0.115-1.el8_10
0:10.0.115-1.el8_10
rocky-linux/dotnet-sdk-aot-10.0<0:10.0.115-1.el8_10
0:10.0.115-1.el8_10
rocky-linux/dotnet-sdk-aot-10.0-debuginfo<0:10.0.115-1.el8_10
0:10.0.115-1.el8_10
rocky-linux/dotnet-sdk-dbg-10.0<0:10.0.115-1.el8_10
0:10.0.115-1.el8_10
rocky-linux/dotnet-targeting-pack-10.0<0:10.0.15-1.el8_10
0:10.0.15-1.el8_10
rocky-linux/dotnet-templates-10.0<0:10.0.115-1.el8_10
0:10.0.115-1.el8_10

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade rocky-linux/aspnetcore-runtime-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  2. Upgrade

    Upgrade rocky-linux/aspnetcore-runtime-dbg-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  3. Upgrade

    Upgrade rocky-linux/aspnetcore-targeting-pack-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  4. Upgrade

    Upgrade rocky-linux/dotnet10.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:10.0.115-1.el8_10
  5. Upgrade

    Upgrade rocky-linux/dotnet10.0-debugsource to a version that resolves this vulnerability.

    Fixed in 0:10.0.115-1.el8_10
  6. Upgrade

    Upgrade rocky-linux/dotnet-apphost-pack-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  7. Upgrade

    Upgrade rocky-linux/dotnet-apphost-pack-10.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  8. Upgrade

    Upgrade rocky-linux/dotnet-hostfxr-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  9. Upgrade

    Upgrade rocky-linux/dotnet-hostfxr-10.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  10. Upgrade

    Upgrade rocky-linux/dotnet-runtime-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  11. Upgrade

    Upgrade rocky-linux/dotnet-runtime-10.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  12. Upgrade

    Upgrade rocky-linux/dotnet-runtime-dbg-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  13. Upgrade

    Upgrade rocky-linux/dotnet-sdk-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.115-1.el8_10
  14. Upgrade

    Upgrade rocky-linux/dotnet-sdk-10.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:10.0.115-1.el8_10
  15. Upgrade

    Upgrade rocky-linux/dotnet-sdk-10.0-source-built-artifacts to a version that resolves this vulnerability.

    Fixed in 0:10.0.115-1.el8_10
  16. Upgrade

    Upgrade rocky-linux/dotnet-sdk-aot-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.115-1.el8_10
  17. Upgrade

    Upgrade rocky-linux/dotnet-sdk-aot-10.0-debuginfo to a version that resolves this vulnerability.

    Fixed in 0:10.0.115-1.el8_10
  18. Upgrade

    Upgrade rocky-linux/dotnet-sdk-dbg-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.115-1.el8_10
  19. Upgrade

    Upgrade rocky-linux/dotnet-targeting-pack-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.15-1.el8_10
  20. Upgrade

    Upgrade rocky-linux/dotnet-templates-10.0 to a version that resolves this vulnerability.

    Fixed in 0:10.0.115-1.el8_10
  21. Upgrade

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

    Fixed in 10.0.115
  22. Upgrade

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

    Fixed in 10.0.15

Event History

Nov 13, 2026
Advisory Published
via OSV·06:01 AM
Data Sourced
via OSV·06:01 AM
DescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

Which .NET release lines are covered by the listed security fixes?

The listed fixes affect .NET 8.0, 9.0, 10.0, and 11.0, although individual CVEs may apply to different subsets of those release lines. This advisory specifically lists Rocky Linux .NET 10.0 packages, including ASP.NET Core runtime, targeting pack, apphost pack, hostfxr, and debugging packages.

2

What update versions does this advisory provide for .NET 10.0?

It updates the .NET 10.0 SDK to version 10.0.115 and the runtime to version 10.0.15.

3

What security impact types are addressed?

The advisory lists ASP.NET Core information disclosure, .NET and ASP.NET Core elevation of privilege, and .NET and ASP.NET Core denial-of-service vulnerabilities. The advisory severity is critical, with a score of 9.

Company

Resources

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