.NET Core 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 Core that address a security vulnerability are now available. The updated versions are .NET Core SDK 2.1.522 and .NET Core Runtime 2.1.26. 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.