Advisory Published

USN-6634-1: .NET vulnerabilities

First published: Tue Feb 13 2024(Updated: )

Brennan Conroy discovered that .NET with SignalR did not properly handle malicious clients. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-21386) Bahaa Naamneh discovered that .NET with OpenSSL support did not properly parse X509 certificates. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-21404)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/aspnetcore-runtime-6.0<6.0.127-0ubuntu1~23.10.1
6.0.127-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/aspnetcore-runtime-7.0<7.0.116-0ubuntu1~23.10.1
7.0.116-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/aspnetcore-runtime-8.0<8.0.2-0ubuntu1~23.10.1
8.0.2-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-host<6.0.127-0ubuntu1~23.10.1
6.0.127-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-host-7.0<7.0.116-0ubuntu1~23.10.1
7.0.116-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-host-8.0<8.0.2-0ubuntu1~23.10.1
8.0.2-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-hostfxr-6.0<6.0.127-0ubuntu1~23.10.1
6.0.127-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-hostfxr-7.0<7.0.116-0ubuntu1~23.10.1
7.0.116-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-hostfxr-8.0<8.0.2-0ubuntu1~23.10.1
8.0.2-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-runtime-6.0<6.0.127-0ubuntu1~23.10.1
6.0.127-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-runtime-7.0<7.0.116-0ubuntu1~23.10.1
7.0.116-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-runtime-8.0<8.0.2-0ubuntu1~23.10.1
8.0.2-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-sdk-6.0<6.0.127-0ubuntu1~23.10.1
6.0.127-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-sdk-7.0<7.0.116-0ubuntu1~23.10.1
7.0.116-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet-sdk-8.0<8.0.102-0ubuntu1~23.10.1
8.0.102-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet6<6.0.127-0ubuntu1~23.10.1
6.0.127-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet7<7.0.116-0ubuntu1~23.10.1
7.0.116-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/dotnet8<8.0.102-8.0.2-0ubuntu1~23.10.1
8.0.102-8.0.2-0ubuntu1~23.10.1
Ubuntu Ubuntu=23.10
All of
ubuntu/aspnetcore-runtime-6.0<6.0.127-0ubuntu1~22.04.1
6.0.127-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/aspnetcore-runtime-7.0<7.0.116-0ubuntu1~22.04.1
7.0.116-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/aspnetcore-runtime-8.0<8.0.2-0ubuntu1~22.04.1
8.0.2-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-host<6.0.127-0ubuntu1~22.04.1
6.0.127-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-host-7.0<7.0.116-0ubuntu1~22.04.1
7.0.116-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-host-8.0<8.0.2-0ubuntu1~22.04.1
8.0.2-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-hostfxr-6.0<6.0.127-0ubuntu1~22.04.1
6.0.127-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-hostfxr-7.0<7.0.116-0ubuntu1~22.04.1
7.0.116-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-hostfxr-8.0<8.0.2-0ubuntu1~22.04.1
8.0.2-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-runtime-6.0<6.0.127-0ubuntu1~22.04.1
6.0.127-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-runtime-7.0<7.0.116-0ubuntu1~22.04.1
7.0.116-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-runtime-8.0<8.0.2-0ubuntu1~22.04.1
8.0.2-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-sdk-6.0<6.0.127-0ubuntu1~22.04.1
6.0.127-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-sdk-7.0<7.0.116-0ubuntu1~22.04.1
7.0.116-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet-sdk-8.0<8.0.102-0ubuntu1~22.04.1
8.0.102-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet6<6.0.127-0ubuntu1~22.04.1
6.0.127-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet7<7.0.116-0ubuntu1~22.04.1
7.0.116-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04
All of
ubuntu/dotnet8<8.0.102-8.0.2-0ubuntu1~22.04.1
8.0.102-8.0.2-0ubuntu1~22.04.1
Ubuntu Ubuntu=22.04

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Child vulnerabilities

(Contains the following vulnerabilities)

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