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
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | aspnetcore-runtime-9.0 | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | aspnetcore-runtime-dbg-9.0 | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | aspnetcore-targeting-pack-9.0 | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet | 0:9.0.118-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-apphost-pack-9.0 | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-apphost-pack-9.0-debuginfo | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-host | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-host-debuginfo | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-hostfxr-9.0 | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-hostfxr-9.0-debuginfo | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-runtime-9.0 | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-runtime-9.0-debuginfo | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-runtime-dbg-9.0 | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-sdk-9.0 | 0:9.0.118-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-sdk-9.0-debuginfo | 0:9.0.118-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-sdk-9.0-source-built-artifacts | 0:9.0.118-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-sdk-aot-9.0 | 0:9.0.118-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-sdk-aot-9.0-debuginfo | 0:9.0.118-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-sdk-dbg-9.0 | 0:9.0.118-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-targeting-pack-9.0 | 0:9.0.17-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet-templates-9.0 | 0:9.0.118-1.amzn2023.0.2 |
| Amazon Linux · 2023 | dotnet9.0-debugsource | 0:9.0.118-1.amzn2023.0.2 |
| Amazon Linux · 2023 | netstandard-targeting-pack-2.1 | 0:9.0.118-1.amzn2023.0.2 |
Vulnerabilities 3
-
High 7.8
.NET SDK Elevation of Privilege Vulnerability
Improper authorization in .NET allows an authorized attacker to elevate privileges locally.
-
High 7.5
ASP.NET Core Denial of Service Vulnerability
Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.
-
Medium 6.2
.NET Tampering Vulnerability
Improper link resolution before file access ('link following') in .NET allows an unauthorized attacker to perform tampering locally.