More information about this security flaw is available in the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=2323239 Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
This issue was fixed in the .NET 9.0.100 GA release: https://github.com/dotnet/announcements/issues/334 We shipped that for Fedora via https://bodhi.fedoraproject.org/updates/FEDORA-2024-aab6aded81