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USN-7067-1: HAProxy vulnerability

14 October 2024

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

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Releases

Packages

  • haproxy - fast and reliable load balancing reverse proxy

Details

It was discovered that HAProxy did not properly limit the creation of new
HTTP/2 streams. A remote attacker could possibly use this issue to cause
HAProxy to consume excessive resources, leading to 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

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-6427-1: netstandard-targeting-pack-2.1, dotnet-runtime-6.0, dotnet7, dotnet-apphost-pack-6.0, dotnet6, dotnet-host, dotnet-targeting-pack-7.0, aspnetcore-runtime-7.0, dotnet-hostfxr-6.0, aspnetcore-targeting-pack-6.0, dotnet-sdk-7.0, dotnet-templates-7.0, dotnet-sdk-6.0-source-built-artifacts, dotnet-runtime-7.0, dotnet-templates-6.0, dotnet-targeting-pack-6.0, aspnetcore-targeting-pack-7.0, dotnet-apphost-pack-7.0, netstandard-targeting-pack-2.1-7.0, dotnet-sdk-7.0-source-built-artifacts, dotnet-sdk-6.0, aspnetcore-runtime-6.0, dotnet-hostfxr-7.0, dotnet-host-7.0
  • USN-6427-2: dotnet-apphost-pack-8.0, aspnetcore-targeting-pack-8.0, dotnet-sdk-8.0-source-built-artifacts, dotnet8, dotnet-runtime-8.0, dotnet-targeting-pack-8.0, dotnet-host-8.0, dotnet-sdk-8.0, netstandard-targeting-pack-2.1-8.0, aspnetcore-runtime-8.0, dotnet-templates-8.0, dotnet-hostfxr-8.0
  • USN-6438-1: netstandard-targeting-pack-2.1, dotnet-runtime-6.0, dotnet7, dotnet-apphost-pack-6.0, dotnet6, dotnet-host, dotnet-targeting-pack-7.0, aspnetcore-runtime-7.0, dotnet-hostfxr-6.0, aspnetcore-targeting-pack-6.0, dotnet-sdk-7.0, dotnet-templates-7.0, dotnet-sdk-6.0-source-built-artifacts, dotnet-runtime-7.0, dotnet-templates-6.0, dotnet-targeting-pack-6.0, aspnetcore-targeting-pack-7.0, dotnet-apphost-pack-7.0, netstandard-targeting-pack-2.1-7.0, dotnet-sdk-7.0-source-built-artifacts, dotnet-sdk-6.0, aspnetcore-runtime-6.0, dotnet-hostfxr-7.0, dotnet-host-7.0
  • USN-6505-1: libnghttp2-14, nghttp2, libnghttp2-dev, nghttp2-proxy, nghttp2-server, nghttp2-client, libnghttp2-doc
  • USN-6574-1: golang-1.20-src, golang-1.21-go, golang-1.20-doc, golang-1.21, golang-1.21-doc, golang-1.21-src, golang-1.20, golang-1.20-go
  • USN-6754-1: libnghttp2-14, nghttp2, libnghttp2-dev, nghttp2-proxy, nghttp2-server, nghttp2-client, libnghttp2-doc
  • USN-6994-1: netty, libnetty-java

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Further reading