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USN-6427-1: .NET vulnerability

10 October 2023

.NET could be made to crash if it received specially crafted network traffic.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • dotnet6 - dotNET CLI tools and runtime
  • dotnet7 - dotNET CLI tools and runtime

Details

It was discovered that the .NET Kestrel web server did not properly handle
HTTP/2 requests. A remote attacker could possibly use this issue to cause a
denial of service.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

References

Related notices

  • USN-6427-2: dotnet-sdk-8.0-source-built-artifacts, dotnet-runtime-8.0, dotnet-targeting-pack-8.0, dotnet-templates-8.0, dotnet-sdk-8.0, aspnetcore-runtime-8.0, aspnetcore-targeting-pack-8.0, dotnet-apphost-pack-8.0, dotnet-hostfxr-8.0, netstandard-targeting-pack-2.1-8.0, dotnet-host-8.0, dotnet8
  • USN-6438-1: dotnet-targeting-pack-6.0, dotnet-hostfxr-7.0, dotnet-sdk-7.0, dotnet-host, dotnet7, aspnetcore-runtime-6.0, dotnet-targeting-pack-7.0, aspnetcore-targeting-pack-6.0, aspnetcore-runtime-7.0, dotnet-sdk-7.0-source-built-artifacts, netstandard-targeting-pack-2.1-7.0, dotnet-templates-6.0, dotnet-apphost-pack-6.0, dotnet-runtime-7.0, dotnet-runtime-6.0, dotnet-host-7.0, aspnetcore-targeting-pack-7.0, dotnet-hostfxr-6.0, dotnet-templates-7.0, netstandard-targeting-pack-2.1, dotnet-apphost-pack-7.0, dotnet-sdk-6.0-source-built-artifacts, dotnet6, dotnet-sdk-6.0
  • USN-6505-1: libnghttp2-doc, libnghttp2-dev, nghttp2, libnghttp2-14, nghttp2-proxy, nghttp2-server, nghttp2-client
  • USN-6574-1: golang-1.20-doc, golang-1.21-src, golang-1.21-go, golang-1.20-src, golang-1.20-go, golang-1.21, golang-1.20, golang-1.21-doc
  • USN-6754-1: libnghttp2-doc, libnghttp2-dev, nghttp2, libnghttp2-14, nghttp2-proxy, nghttp2-server, nghttp2-client