More information about this security flaw is available in the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=2351766 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.
Closing as WONTFIX as Butane does not do HTTP requests.