Advisory Published

USN-6889-1: .NET vulnerabilities

First published: Wed Jul 10 2024(Updated: )

It was discovered that .NET did not properly handle object deserialization. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-30105) Radek Zikmund discovered that .NET did not properly manage memory. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-35264) It was discovered that .NET did not properly parse X.509 Content and ObjectIdentifiers. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-38095)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/aspnetcore-runtime-8.0<8.0.7-0ubuntu1~24.04.1
8.0.7-0ubuntu1~24.04.1
Ubuntu=24.04
All of
ubuntu/dotnet-host-8.0<8.0.7-0ubuntu1~24.04.1
8.0.7-0ubuntu1~24.04.1
Ubuntu=24.04
All of
ubuntu/dotnet-hostfxr-8.0<8.0.7-0ubuntu1~24.04.1
8.0.7-0ubuntu1~24.04.1
Ubuntu=24.04
All of
ubuntu/dotnet-runtime-8.0<8.0.7-0ubuntu1~24.04.1
8.0.7-0ubuntu1~24.04.1
Ubuntu=24.04
All of
ubuntu/dotnet-sdk-8.0<8.0.107-0ubuntu1~24.04.1
8.0.107-0ubuntu1~24.04.1
Ubuntu=24.04
All of
ubuntu/dotnet8<8.0.107-8.0.7-0ubuntu1~24.04.1
8.0.107-8.0.7-0ubuntu1~24.04.1
Ubuntu=24.04
All of
ubuntu/aspnetcore-runtime-6.0<6.0.132-0ubuntu1~23.10.1
6.0.132-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/aspnetcore-runtime-8.0<8.0.7-0ubuntu1~23.10.1
8.0.7-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet-host<6.0.132-0ubuntu1~23.10.1
6.0.132-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet-host-8.0<8.0.7-0ubuntu1~23.10.1
8.0.7-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet-hostfxr-6.0<6.0.132-0ubuntu1~23.10.1
6.0.132-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet-hostfxr-8.0<8.0.7-0ubuntu1~23.10.1
8.0.7-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet-runtime-6.0<6.0.132-0ubuntu1~23.10.1
6.0.132-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet-runtime-8.0<8.0.7-0ubuntu1~23.10.1
8.0.7-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet-sdk-6.0<6.0.132-0ubuntu1~23.10.1
6.0.132-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet-sdk-8.0<8.0.107-0ubuntu1~23.10.1
8.0.107-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet6<6.0.132-0ubuntu1~23.10.1
6.0.132-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/dotnet8<8.0.107-8.0.7-0ubuntu1~23.10.1
8.0.107-8.0.7-0ubuntu1~23.10.1
Ubuntu=23.10
All of
ubuntu/aspnetcore-runtime-6.0<6.0.132-0ubuntu1~22.04.1
6.0.132-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/aspnetcore-runtime-8.0<8.0.7-0ubuntu1~22.04.1
8.0.7-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet-host<6.0.132-0ubuntu1~22.04.1
6.0.132-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet-host-8.0<8.0.7-0ubuntu1~22.04.1
8.0.7-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet-hostfxr-6.0<6.0.132-0ubuntu1~22.04.1
6.0.132-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet-hostfxr-8.0<8.0.7-0ubuntu1~22.04.1
8.0.7-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet-runtime-6.0<6.0.132-0ubuntu1~22.04.1
6.0.132-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet-runtime-8.0<8.0.7-0ubuntu1~22.04.1
8.0.7-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet-sdk-6.0<6.0.132-0ubuntu1~22.04.1
6.0.132-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet-sdk-8.0<8.0.107-0ubuntu1~22.04.1
8.0.107-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet6<6.0.132-0ubuntu1~22.04.1
6.0.132-0ubuntu1~22.04.1
Ubuntu=22.04
All of
ubuntu/dotnet8<8.0.107-8.0.7-0ubuntu1~22.04.1
8.0.107-8.0.7-0ubuntu1~22.04.1
Ubuntu=22.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6889-1?

    The severity of USN-6889-1 is high due to potential denial of service vulnerabilities found in .NET.

  • How do I fix USN-6889-1?

    To fix USN-6889-1, update your affected packages to the recommended versions specified in the advisory.

  • What versions are affected by USN-6889-1?

    USN-6889-1 affects multiple versions of .NET packages on Ubuntu 22.04 and 24.04.

  • Can USN-6889-1 lead to remote exploitation?

    USN-6889-1 does not currently indicate remote exploitation but can cause denial of service if exploited.

  • Who discovered the issues in USN-6889-1?

    The issues in USN-6889-1 were discovered by researchers including Radek Zikmund.

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