.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 security vulnerabilities are now available. The updated versions are .NET SDK 5.0.206 and .NET Runtime 5.0.9. 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.