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OpenAdvisories
High ALAS2023-2026-1867 3 CVEs

Important: dotnet10.0 security update (Amazon Linux 2023)

Published Jun 22, 2026 · Updated Jun 22, 2026

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-45591: Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network. CVE-2026-45491: Improper link resolution before file access ('link following') in .NET allows an unauthorized attacker to perform tampering locally. CVE-2026-45490: Improper authorization in .NET allows an authorized attacker to elevate privileges locally.

Fixed packages 23

ReleasePackageFixed in
Amazon Linux · 2023 aspnetcore-runtime-10.0 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 aspnetcore-runtime-dbg-10.0 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 aspnetcore-targeting-pack-10.0 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet 0:10.0.109-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-apphost-pack-10.0 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-apphost-pack-10.0-debuginfo 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-host 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-host-debuginfo 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-hostfxr-10.0 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-hostfxr-10.0-debuginfo 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-runtime-10.0 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-runtime-10.0-debuginfo 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-runtime-dbg-10.0 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-sdk-10.0 0:10.0.109-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-sdk-10.0-debuginfo 0:10.0.109-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-sdk-10.0-source-built-artifacts 0:10.0.109-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-sdk-aot-10.0 0:10.0.109-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-sdk-aot-10.0-debuginfo 0:10.0.109-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-sdk-dbg-10.0 0:10.0.109-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-targeting-pack-10.0 0:10.0.9-1.amzn2023.0.1
Amazon Linux · 2023 dotnet-templates-10.0 0:10.0.109-1.amzn2023.0.1
Amazon Linux · 2023 dotnet10.0-debuginfo 0:10.0.109-1.amzn2023.0.1
Amazon Linux · 2023 dotnet10.0-debugsource 0:10.0.109-1.amzn2023.0.1

Vulnerabilities 3

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-45490.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-45491.html
  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-45591.html