In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::ContainerNode::firstChild, a different vulnerability than CVE-2021-30889. Reference: https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.32.3
Created webkit2gtk3 tracking bugs for this issue: Affects: fedora-all [bug 2040330]
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2022:1777 https://access.redhat.com/errata/RHSA-2022:1777
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-2021-45482