# CVE-2023-38178: .NET Core and Visual Studio Denial of Service Vulnerability

CVE-2023-38178 is fixed in 33 products on 2 platforms, first by aspnetcore-runtime-6.0 6.0.121-0ubuntu1~22.04.1, released August 7, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-38178
- Priority: High
- CVSS: 7.5 (Important)
- EPSS: 0.0259
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Aug 7, 2023
- Weakness: Uncontrolled Resource Consumption
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38178

## Description

.NET Core and Visual Studio Denial of Service Vulnerability

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | .NET 6.0 |  | [KB5029688](https://patchblox.com/security/data/fix/microsoft/kb5029688.md) | Aug 8, 2023 |
| Linux | aspnetcore-runtime-6.0 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [aspnetcore-runtime-6.0 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-aspnetcore-runtime-6.0-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | aspnetcore-runtime-6.0 amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | aspnetcore-runtime-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [aspnetcore-runtime-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-aspnetcore-runtime-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | aspnetcore-targeting-pack-6.0 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [aspnetcore-targeting-pack-6.0 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-aspnetcore-targeting-pack-6.0-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | aspnetcore-targeting-pack-6.0 amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | aspnetcore-targeting-pack-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [aspnetcore-targeting-pack-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-aspnetcore-targeting-pack-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet amzn 2023 | 6.0.121-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-apphost-pack-6.0 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [dotnet-apphost-pack-6.0 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-apphost-pack-6.0-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-apphost-pack-6.0 amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-apphost-pack-6.0-debuginfo amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-apphost-pack-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [dotnet-apphost-pack-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-apphost-pack-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-host Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [dotnet-host 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-host-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-host amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-host-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [dotnet-host-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-host-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-host-debuginfo amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-hostfxr-6.0 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [dotnet-hostfxr-6.0 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-hostfxr-6.0-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-hostfxr-6.0 amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-hostfxr-6.0-debuginfo amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-hostfxr-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [dotnet-hostfxr-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-hostfxr-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-runtime-6.0 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [dotnet-runtime-6.0 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-runtime-6.0-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-runtime-6.0 amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-runtime-6.0-debuginfo amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-runtime-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [dotnet-runtime-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-runtime-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-sdk-6.0 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [dotnet-sdk-6.0 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-sdk-6.0-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-sdk-6.0 amzn 2023 | 6.0.121-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-sdk-6.0-debuginfo amzn 2023 | 6.0.121-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-sdk-6.0-source-built-artifacts Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [dotnet-sdk-6.0-source-built-artifacts 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-sdk-6.0-source-built-artifacts-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-sdk-6.0-source-built-artifacts amzn 2023 | 6.0.121-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-sdk-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [dotnet-sdk-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-sdk-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-sdk-7.0-source-built-artifacts Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [dotnet-sdk-7.0-source-built-artifacts 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-sdk-7.0-source-built-artifacts-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-targeting-pack-6.0 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [dotnet-targeting-pack-6.0 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-targeting-pack-6.0-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-targeting-pack-6.0 amzn 2023 | 6.0.21-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-targeting-pack-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [dotnet-targeting-pack-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-targeting-pack-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-templates-6.0 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [dotnet-templates-6.0 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-templates-6.0-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet-templates-6.0 amzn 2023 | 6.0.121-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet-templates-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [dotnet-templates-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet-templates-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet6 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [dotnet6 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet6-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | dotnet6.0-debuginfo amzn 2023 | 6.0.121-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet6.0-debugsource amzn 2023 | 6.0.121-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | dotnet7 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [dotnet7 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-dotnet7-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | netstandard-targeting-pack-2.1 Ubuntu 22.04.1 LTS (jammy) | 6.0.121-0ubuntu1~22.04.1 | [netstandard-targeting-pack-2.1 6.0.121-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-netstandard-targeting-pack-2.1-6.0.121-0ubuntu1-22.04.1.md) | Aug 7, 2023 |
| Linux | netstandard-targeting-pack-2.1 amzn 2023 | 6.0.121-1.amzn2023.0.2 | [ALAS2023-2023-326](https://patchblox.com/security/data/fix/linux/alas2023-2023-326.md) | Aug 31, 2023 |
| Linux | netstandard-targeting-pack-2.1-7.0 Ubuntu 22.04.1 LTS (jammy) | 7.0.110-0ubuntu1~22.04.1 | [netstandard-targeting-pack-2.1-7.0 7.0.110-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-netstandard-targeting-pack-2.1-7.0-7.0.110-0ubuntu1-22.04.1.md) | Aug 7, 2023 |

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