More information about this security flaw is available in the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=2366370 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 has been fixed a long long time ago, can't even find how long ago but the patch for the cve is in our code: https://src.fedoraproject.org/rpms/net-tools/blob/rawhide/f/net-tools-cycle.patch#_33 It has a bit different approach but the result is the same. I am closing the bug, feel free to reopen should you feel that my assessment is incorrect.