A memory corruption issue was addressed with improved state management.
Created webkit2gtk3 tracking bugs for this issue:
Affects: fedora-all [bug 1986855]
According to the WebKitGTK upstream advisory, this issue was fixed upstream in version 2.30.0. The webkit2gtk3 packages in Red Hat Enterprise Linux 8 were previously updated to fixed upstream versions via the following erratum:
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):