More information about this security flaw is available in the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=2311171 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 is only used in the devtools frontend, and then only the JSON functionality of this module (which is not affected by the CVE), so obs-cef (and Chromium in general) is not affected by this CVE.