# CVE-2023-46233: dotnet-hostfxr-7.0: .NET is a managed-software framework

CVE-2023-46233 is fixed in 19 products on 1 platform, first by libjs-cryptojs 3.1.2+dfsg-2ubuntu0.18.04.1~esm1, released October 25, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-46233
- Priority: High
- CVSS: 9.1 (Important)
- EPSS: 0.0064
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 25, 2023

## Description

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.  New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 7.0.116 and .NET Runtime 7.0.16.  Security Fix(es):  * dotnet: Denial of Service in SignalR server (CVE-2024-21386)  * dotnet: Denial of Service in X509Certificate2 (CVE-2024-21404)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | aspnetcore-runtime-6.0 RHEL 8 | 0:6.0.26-1.el8_9 | [RHSA-2024:0158](https://patchblox.com/security/data/fix/linux/rhsa-2024-0158.md) | Jan 10, 2024 |
| Linux | aspnetcore-runtime-6.0 RHEL 9 | 0:6.0.26-1.el9_3 | [RHSA-2024:0156](https://patchblox.com/security/data/fix/linux/rhsa-2024-0156.md) | Jan 10, 2024 |
| Linux | aspnetcore-runtime-7.0 RHEL 8 | 0:7.0.16-1.el8_9 | [RHSA-2024:0806](https://patchblox.com/security/data/fix/linux/rhsa-2024-0806.md) | Feb 13, 2024 |
| Linux | aspnetcore-runtime-7.0 RHEL 9 | 0:7.0.16-1.el9_3 | [RHSA-2024:0805](https://patchblox.com/security/data/fix/linux/rhsa-2024-0805.md) | Feb 13, 2024 |
| Linux | aspnetcore-targeting-pack-6.0 RHEL 8 | 0:6.0.26-1.el8_9 | [RHSA-2024:0158](https://patchblox.com/security/data/fix/linux/rhsa-2024-0158.md) | Jan 10, 2024 |
| Linux | aspnetcore-targeting-pack-6.0 RHEL 9 | 0:6.0.26-1.el9_3 | [RHSA-2024:0156](https://patchblox.com/security/data/fix/linux/rhsa-2024-0156.md) | Jan 10, 2024 |
| Linux | aspnetcore-targeting-pack-7.0 RHEL 8 | 0:7.0.16-1.el8_9 | [RHSA-2024:0806](https://patchblox.com/security/data/fix/linux/rhsa-2024-0806.md) | Feb 13, 2024 |
| Linux | aspnetcore-targeting-pack-7.0 RHEL 9 | 0:7.0.16-1.el9_3 | [RHSA-2024:0805](https://patchblox.com/security/data/fix/linux/rhsa-2024-0805.md) | Feb 13, 2024 |
| Linux | dotnet-apphost-pack-6.0 RHEL 8 | 0:6.0.26-1.el8_9 | [RHSA-2024:0158](https://patchblox.com/security/data/fix/linux/rhsa-2024-0158.md) | Jan 10, 2024 |
| Linux | dotnet-apphost-pack-6.0 RHEL 9 | 0:6.0.26-1.el9_3 | [RHSA-2024:0156](https://patchblox.com/security/data/fix/linux/rhsa-2024-0156.md) | Jan 10, 2024 |
| Linux | dotnet-apphost-pack-7.0 RHEL 8 | 0:7.0.16-1.el8_9 | [RHSA-2024:0806](https://patchblox.com/security/data/fix/linux/rhsa-2024-0806.md) | Feb 13, 2024 |
| Linux | dotnet-apphost-pack-7.0 RHEL 9 | 0:7.0.16-1.el9_3 | [RHSA-2024:0805](https://patchblox.com/security/data/fix/linux/rhsa-2024-0805.md) | Feb 13, 2024 |
| Linux | dotnet-hostfxr-6.0 RHEL 8 | 0:6.0.26-1.el8_9 | [RHSA-2024:0158](https://patchblox.com/security/data/fix/linux/rhsa-2024-0158.md) | Jan 10, 2024 |
| Linux | dotnet-hostfxr-6.0 RHEL 9 | 0:6.0.26-1.el9_3 | [RHSA-2024:0156](https://patchblox.com/security/data/fix/linux/rhsa-2024-0156.md) | Jan 10, 2024 |
| Linux | dotnet-hostfxr-7.0 RHEL 8 | 0:7.0.16-1.el8_9 | [RHSA-2024:0806](https://patchblox.com/security/data/fix/linux/rhsa-2024-0806.md) | Feb 13, 2024 |
| Linux | dotnet-hostfxr-7.0 RHEL 9 | 0:7.0.16-1.el9_3 | [RHSA-2024:0805](https://patchblox.com/security/data/fix/linux/rhsa-2024-0805.md) | Feb 13, 2024 |
| Linux | dotnet-runtime-6.0 RHEL 8 | 0:6.0.26-1.el8_9 | [RHSA-2024:0158](https://patchblox.com/security/data/fix/linux/rhsa-2024-0158.md) | Jan 10, 2024 |
| Linux | dotnet-runtime-6.0 RHEL 9 | 0:6.0.26-1.el9_3 | [RHSA-2024:0156](https://patchblox.com/security/data/fix/linux/rhsa-2024-0156.md) | Jan 10, 2024 |
| Linux | dotnet-runtime-7.0 RHEL 8 | 0:7.0.16-1.el8_9 | [RHSA-2024:0806](https://patchblox.com/security/data/fix/linux/rhsa-2024-0806.md) | Feb 13, 2024 |
| Linux | dotnet-runtime-7.0 RHEL 9 | 0:7.0.16-1.el9_3 | [RHSA-2024:0805](https://patchblox.com/security/data/fix/linux/rhsa-2024-0805.md) | Feb 13, 2024 |
| Linux | dotnet-sdk-6.0 RHEL 8 | 0:6.0.126-1.el8_9 | [RHSA-2024:0158](https://patchblox.com/security/data/fix/linux/rhsa-2024-0158.md) | Jan 10, 2024 |
| Linux | dotnet-sdk-6.0 RHEL 9 | 0:6.0.126-1.el9_3 | [RHSA-2024:0156](https://patchblox.com/security/data/fix/linux/rhsa-2024-0156.md) | Jan 10, 2024 |
| Linux | dotnet-sdk-6.0-source-built-artifacts RHEL 8 | 0:6.0.126-1.el8_9 | [RHSA-2024:0158](https://patchblox.com/security/data/fix/linux/rhsa-2024-0158.md) | Jan 10, 2024 |
| Linux | dotnet-sdk-6.0-source-built-artifacts RHEL 9 | 0:6.0.126-1.el9_3 | [RHSA-2024:0156](https://patchblox.com/security/data/fix/linux/rhsa-2024-0156.md) | Jan 10, 2024 |
| Linux | dotnet-sdk-7.0 RHEL 8 | 0:7.0.116-1.el8_9 | [RHSA-2024:0806](https://patchblox.com/security/data/fix/linux/rhsa-2024-0806.md) | Feb 13, 2024 |
| Linux | dotnet-sdk-7.0 RHEL 9 | 0:7.0.116-1.el9_3 | [RHSA-2024:0805](https://patchblox.com/security/data/fix/linux/rhsa-2024-0805.md) | Feb 13, 2024 |
| Linux | dotnet-sdk-7.0-source-built-artifacts RHEL 8 | 0:7.0.116-1.el8_9 | [RHSA-2024:0806](https://patchblox.com/security/data/fix/linux/rhsa-2024-0806.md) | Feb 13, 2024 |
| Linux | dotnet-sdk-7.0-source-built-artifacts RHEL 9 | 0:7.0.116-1.el9_3 | [RHSA-2024:0805](https://patchblox.com/security/data/fix/linux/rhsa-2024-0805.md) | Feb 13, 2024 |
| Linux | dotnet-targeting-pack-6.0 RHEL 8 | 0:6.0.26-1.el8_9 | [RHSA-2024:0158](https://patchblox.com/security/data/fix/linux/rhsa-2024-0158.md) | Jan 10, 2024 |
| Linux | dotnet-targeting-pack-6.0 RHEL 9 | 0:6.0.26-1.el9_3 | [RHSA-2024:0156](https://patchblox.com/security/data/fix/linux/rhsa-2024-0156.md) | Jan 10, 2024 |
| Linux | dotnet-targeting-pack-7.0 RHEL 8 | 0:7.0.16-1.el8_9 | [RHSA-2024:0806](https://patchblox.com/security/data/fix/linux/rhsa-2024-0806.md) | Feb 13, 2024 |
| Linux | dotnet-targeting-pack-7.0 RHEL 9 | 0:7.0.16-1.el9_3 | [RHSA-2024:0805](https://patchblox.com/security/data/fix/linux/rhsa-2024-0805.md) | Feb 13, 2024 |
| Linux | dotnet-templates-6.0 RHEL 8 | 0:6.0.126-1.el8_9 | [RHSA-2024:0158](https://patchblox.com/security/data/fix/linux/rhsa-2024-0158.md) | Jan 10, 2024 |
| Linux | dotnet-templates-6.0 RHEL 9 | 0:6.0.126-1.el9_3 | [RHSA-2024:0156](https://patchblox.com/security/data/fix/linux/rhsa-2024-0156.md) | Jan 10, 2024 |
| Linux | dotnet-templates-7.0 RHEL 8 | 0:7.0.116-1.el8_9 | [RHSA-2024:0806](https://patchblox.com/security/data/fix/linux/rhsa-2024-0806.md) | Feb 13, 2024 |
| Linux | dotnet-templates-7.0 RHEL 9 | 0:7.0.116-1.el9_3 | [RHSA-2024:0805](https://patchblox.com/security/data/fix/linux/rhsa-2024-0805.md) | Feb 13, 2024 |
| Linux | libjs-cryptojs Ubuntu 18.04.6 LTS (bionic) | 3.1.2+dfsg-2ubuntu0.18.04.1~esm1 | [libjs-cryptojs 3.1.2+dfsg-2ubuntu0.18.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjs-cryptojs-3.1.2-dfsg-2ubuntu0.18.04.1-esm1.md) | Oct 25, 2023 |
| Linux | libjs-cryptojs Ubuntu 20.04 LTS (focal) | 3.1.2+dfsg-2ubuntu0.20.04.1 | [libjs-cryptojs 3.1.2+dfsg-2ubuntu0.20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libjs-cryptojs-3.1.2-dfsg-2ubuntu0.20.04.1.md) | Oct 25, 2023 |
| Linux | libjs-cryptojs Ubuntu 22.04.1 LTS (jammy) | 3.1.2+dfsg-3ubuntu0.22.04.1~esm1 | [libjs-cryptojs 3.1.2+dfsg-3ubuntu0.22.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libjs-cryptojs-3.1.2-dfsg-3ubuntu0.22.04.1-esm1.md) | Oct 25, 2023 |

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