.NET Core Runtime 2.1.12 and SDK 2.1.508 were recently released by Microsoft: https://github.com/dotnet/core/blob/master/release-notes/2.1/2.1.12/2.1.12.md
This is a bugfix release. We need to rebase the version in RHEL 8 to this latest release.
In particular, this updates the SDK to pick up the security fix for:
1. CVE-2019-1075: ASP.NET Core Spoofing Vulnerability
Users will have to rebuild their software after this update to pick up the fixes for CVE.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.