Amazon Linux 2023 Security Advisory: ALAS2023-2026-1802
Advisory Released Date: 2026-06-08
Advisory Updated Date: 2026-06-08
Severity:
Important
Issue Overview:
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. (CVE-2026-32177)
Loop with unreachable exit condition ('infinite loop') in ASP.NET Core allows an unauthorized attacker to deny service over a network. (CVE-2026-42899)
Affected Packages:
dotnet9.0
Issue Correction:
Run dnf update dotnet9.0 --releasever 2023.12.20260608 or dnf update --advisory ALAS2023-2026-1802 --releasever 2023.12.20260608 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
dotnet-apphost-pack-9.0-debuginfo-9.0.16-1.amzn2023.0.2.aarch64
dotnet-sdk-aot-9.0-debuginfo-9.0.117-1.amzn2023.0.2.aarch64
dotnet-sdk-9.0-source-built-artifacts-9.0.117-1.amzn2023.0.2.aarch64
dotnet-runtime-9.0-9.0.16-1.amzn2023.0.2.aarch64
netstandard-targeting-pack-2.1-9.0.117-1.amzn2023.0.2.aarch64
dotnet-runtime-dbg-9.0-9.0.16-1.amzn2023.0.2.aarch64
dotnet-hostfxr-9.0-debuginfo-9.0.16-1.amzn2023.0.2.aarch64
aspnetcore-runtime-9.0-9.0.16-1.amzn2023.0.2.aarch64
dotnet-templates-9.0-9.0.117-1.amzn2023.0.2.aarch64
dotnet-targeting-pack-9.0-9.0.16-1.amzn2023.0.2.aarch64
aspnetcore-runtime-dbg-9.0-9.0.16-1.amzn2023.0.2.aarch64
dotnet-9.0.117-1.amzn2023.0.2.aarch64
dotnet-host-9.0.16-1.amzn2023.0.2.aarch64
dotnet-sdk-aot-9.0-9.0.117-1.amzn2023.0.2.aarch64
dotnet-runtime-9.0-debuginfo-9.0.16-1.amzn2023.0.2.aarch64
dotnet-hostfxr-9.0-9.0.16-1.amzn2023.0.2.aarch64
dotnet-apphost-pack-9.0-9.0.16-1.amzn2023.0.2.aarch64
dotnet-host-debuginfo-9.0.16-1.amzn2023.0.2.aarch64
dotnet-sdk-dbg-9.0-9.0.117-1.amzn2023.0.2.aarch64
dotnet-sdk-9.0-debuginfo-9.0.117-1.amzn2023.0.2.aarch64
aspnetcore-targeting-pack-9.0-9.0.16-1.amzn2023.0.2.aarch64
dotnet9.0-debugsource-9.0.117-1.amzn2023.0.2.aarch64
dotnet-sdk-9.0-9.0.117-1.amzn2023.0.2.aarch64
src:
dotnet9.0-9.0.117-1.amzn2023.0.2.src
x86_64:
dotnet-sdk-9.0-source-built-artifacts-9.0.117-1.amzn2023.0.2.x86_64
dotnet-templates-9.0-9.0.117-1.amzn2023.0.2.x86_64
aspnetcore-runtime-9.0-9.0.16-1.amzn2023.0.2.x86_64
dotnet-9.0.117-1.amzn2023.0.2.x86_64
dotnet-sdk-dbg-9.0-9.0.117-1.amzn2023.0.2.x86_64
dotnet-apphost-pack-9.0-debuginfo-9.0.16-1.amzn2023.0.2.x86_64
netstandard-targeting-pack-2.1-9.0.117-1.amzn2023.0.2.x86_64
dotnet-targeting-pack-9.0-9.0.16-1.amzn2023.0.2.x86_64
dotnet-runtime-9.0-9.0.16-1.amzn2023.0.2.x86_64
aspnetcore-targeting-pack-9.0-9.0.16-1.amzn2023.0.2.x86_64
dotnet-runtime-9.0-debuginfo-9.0.16-1.amzn2023.0.2.x86_64
dotnet-hostfxr-9.0-debuginfo-9.0.16-1.amzn2023.0.2.x86_64
dotnet-hostfxr-9.0-9.0.16-1.amzn2023.0.2.x86_64
dotnet-runtime-dbg-9.0-9.0.16-1.amzn2023.0.2.x86_64
dotnet-sdk-aot-9.0-debuginfo-9.0.117-1.amzn2023.0.2.x86_64
dotnet-sdk-aot-9.0-9.0.117-1.amzn2023.0.2.x86_64
dotnet-sdk-9.0-debuginfo-9.0.117-1.amzn2023.0.2.x86_64
dotnet-host-debuginfo-9.0.16-1.amzn2023.0.2.x86_64
dotnet9.0-debugsource-9.0.117-1.amzn2023.0.2.x86_64
dotnet-host-9.0.16-1.amzn2023.0.2.x86_64
aspnetcore-runtime-dbg-9.0-9.0.16-1.amzn2023.0.2.x86_64
dotnet-apphost-pack-9.0-9.0.16-1.amzn2023.0.2.x86_64
dotnet-sdk-9.0-9.0.117-1.amzn2023.0.2.x86_64