.NET Core Remote Code Execution Vulnerability
CVE-2021-26701 is fixed in 23 products on 1 platform, first by RHSA-2021:0790, released March 9, 2021. It is not reported as exploited. Patch Radar priority: Urgent.
.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 5.0.104 and .NET Runtime 5.0.4. Security Fix(es): * dotnet: System.Text.Encodings.Web Remote Code Execution (CVE-2021-26701) 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
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| aspnetcore-runtime-3.1 · RHEL 8 | 0:3.1.13-1.el8_3 | RHSA-2021:0790 | Mar 9, 2021 |
| aspnetcore-runtime-3.1 · ol 8 | 0:3.1.13-1.0.1.el8_3 | ELSA-2021-0790 | Mar 10, 2021 |
| aspnetcore-runtime-5.0 · RHEL 8 | 0:5.0.4-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| aspnetcore-runtime-5.0 · ol 8 | 0:5.0.4-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| aspnetcore-targeting-pack-3.1 · RHEL 8 | 0:3.1.13-1.el8_3 | RHSA-2021:0790 | Mar 9, 2021 |
| aspnetcore-targeting-pack-3.1 · ol 8 | 0:3.1.13-1.0.1.el8_3 | ELSA-2021-0790 | Mar 10, 2021 |
| aspnetcore-targeting-pack-5.0 · RHEL 8 | 0:5.0.4-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| aspnetcore-targeting-pack-5.0 · ol 8 | 0:5.0.4-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| dotnet · RHEL 8 | 0:5.0.104-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| dotnet · ol 8 | 0:5.0.104-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| dotnet-apphost-pack-3.1 · RHEL 8 | 0:3.1.13-1.el8_3 | RHSA-2021:0790 | Mar 9, 2021 |
| dotnet-apphost-pack-3.1 · ol 8 | 0:3.1.13-1.0.1.el8_3 | ELSA-2021-0790 | Mar 10, 2021 |
| dotnet-apphost-pack-5.0 · RHEL 8 | 0:5.0.4-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| dotnet-apphost-pack-5.0 · ol 8 | 0:5.0.4-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| dotnet-host · RHEL 8 | 0:5.0.4-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| dotnet-host · ol 8 | 0:5.0.4-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| dotnet-host-fxr-2.1 · RHEL 8 | 0:2.1.26-1.el8_3 | RHSA-2021:0788 | Mar 9, 2021 |
| dotnet-host-fxr-2.1 · ol 8 | 0:2.1.26-1.el8_3 | ELSA-2021-0788 | Mar 10, 2021 |
| dotnet-hostfxr-3.1 · RHEL 8 | 0:3.1.13-1.el8_3 | RHSA-2021:0790 | Mar 9, 2021 |
| dotnet-hostfxr-3.1 · ol 8 | 0:3.1.13-1.0.1.el8_3 | ELSA-2021-0790 | Mar 10, 2021 |
| dotnet-hostfxr-5.0 · RHEL 8 | 0:5.0.4-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| dotnet-hostfxr-5.0 · ol 8 | 0:5.0.4-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| dotnet-runtime-2.1 · RHEL 8 | 0:2.1.26-1.el8_3 | RHSA-2021:0788 | Mar 9, 2021 |
| dotnet-runtime-2.1 · ol 8 | 0:2.1.26-1.el8_3 | ELSA-2021-0788 | Mar 10, 2021 |
| dotnet-runtime-3.1 · RHEL 8 | 0:3.1.13-1.el8_3 | RHSA-2021:0790 | Mar 9, 2021 |
| dotnet-runtime-3.1 · ol 8 | 0:3.1.13-1.0.1.el8_3 | ELSA-2021-0790 | Mar 10, 2021 |
| dotnet-runtime-5.0 · RHEL 8 | 0:5.0.4-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| dotnet-runtime-5.0 · ol 8 | 0:5.0.4-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| dotnet-sdk-2.1 · RHEL 8 | 0:2.1.522-1.el8_3 | RHSA-2021:0788 | Mar 9, 2021 |
| dotnet-sdk-2.1 · ol 8 | 0:2.1.522-1.el8_3 | ELSA-2021-0788 | Mar 10, 2021 |
| dotnet-sdk-2.1.5xx · RHEL 8 | 0:2.1.522-1.el8_3 | RHSA-2021:0788 | Mar 9, 2021 |
| dotnet-sdk-2.1.5xx · ol 8 | 0:2.1.522-1.el8_3 | ELSA-2021-0788 | Mar 10, 2021 |
| dotnet-sdk-3.1 · RHEL 8 | 0:3.1.113-1.el8_3 | RHSA-2021:0790 | Mar 9, 2021 |
| dotnet-sdk-3.1 · ol 8 | 0:3.1.113-1.0.1.el8_3 | ELSA-2021-0790 | Mar 10, 2021 |
| dotnet-sdk-5.0 · RHEL 8 | 0:5.0.104-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| dotnet-sdk-5.0 · ol 8 | 0:5.0.104-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| dotnet-targeting-pack-3.1 · RHEL 8 | 0:3.1.13-1.el8_3 | RHSA-2021:0790 | Mar 9, 2021 |
| dotnet-targeting-pack-3.1 · ol 8 | 0:3.1.13-1.0.1.el8_3 | ELSA-2021-0790 | Mar 10, 2021 |
| dotnet-targeting-pack-5.0 · RHEL 8 | 0:5.0.4-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| dotnet-targeting-pack-5.0 · ol 8 | 0:5.0.4-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| dotnet-templates-3.1 · RHEL 8 | 0:3.1.113-1.el8_3 | RHSA-2021:0790 | Mar 9, 2021 |
| dotnet-templates-3.1 · ol 8 | 0:3.1.113-1.0.1.el8_3 | ELSA-2021-0790 | Mar 10, 2021 |
| dotnet-templates-5.0 · RHEL 8 | 0:5.0.104-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| dotnet-templates-5.0 · ol 8 | 0:5.0.104-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
| netstandard-targeting-pack-2.1 · RHEL 8 | 0:5.0.104-1.el8_3 | RHSA-2021:0793 | Mar 9, 2021 |
| netstandard-targeting-pack-2.1 · ol 8 | 0:5.0.104-1.0.1.el8_3 | ELSA-2021-0793 | Mar 11, 2021 |
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