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Package details: pkg:rpm/redhat/dotnet@2.1.522-1?arch=el8_3
purl pkg:rpm/redhat/dotnet@2.1.522-1?arch=el8_3
Next non-vulnerable version None.
Latest non-vulnerable version None.
Risk 4.5
Vulnerabilities affecting this package (1)
Vulnerability Summary Fixed by
VCID-bd3c-1sg9-wfh2
Aliases:
CVE-2021-26701
GHSA-ghhp-997w-qr28
.NET Core Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-24112. ### Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 5.0, .NET Core 3.1, and .NET Core 2.1. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A remote code execution vulnerability exists in .NET 5 and .NET Core due to how text encoding is performed. ### Discussion Discussion for this issue can be found at dotnet/runtime#49377 ### Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ### Affected software The vulnerable package is `System.Text.Encodings.Web` . Upgrading your package and redeploying your app should be sufficient to address this vulnerability. Vulnerable package versions: Any .NET 5, .NET Core, or .NET Framework based application that uses the System.Text.Encodings.Web package with a vulnerable version listed below. Package Name | Vulnerable Versions | Secure Versions -|-|- System.Text.Encodings.Web | 4.0.0 - 4.5.0 | 4.5.1 System.Text.Encodings.Web | 4.6.0-4.7.1 | 4.7.2 System.Text.Encodings.Web | 5.0.0 | 5.0.1 Please validate that each of the .NET versions you are using is in support. Security updates are only provided for supported .NET versions. There are no reported fixed by versions.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-01T14:03:05.556453+00:00 RedHat Importer Affected by VCID-bd3c-1sg9-wfh2 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-26701.json 38.0.0