.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. A new version of .NET Core that addresses a security vulnerability is now available. The updated version is .NET Core Runtime 2.1.19 and SDK 2.1.515. Security Fix: * dotnet: Denial of service via untrusted input This is an additional update to comprehensively address CVE-2020-1108. Default inclusions for applications built with .NET Core have been updated to reference the newest versions and their security fixes. For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.