Red Hat Security Advisory 2020-0134-01 - .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 security vulnerabilities are now available. The updated versions are .NET Core SDK 3.0.102, .NET Core Runtime 3.0.2, .NET Core SDK 3.1.101 and .NET Core Runtime 3.1.1. Security Fixes: dotnet: Memory Corruption in SignalR. Issues addressed include a denial of service vulnerability.

Source: Red Hat Security Advisory 2020-0134-01