A remote attacker may be able to break out of Web Content sandbox.
This is https://bugs.webkit.org/show_bug.cgi?id=255350 which does not affect WebKitGTK (which does not yet use GPU process).
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2023-32409