An input validation issue was addressed with improved input validation.
Created webkit2gtk3 tracking bugs for this issue: Affects: fedora-all [bug 1986859]
Upstream advisory: https://webkitgtk.org/security/WSA-2021-0004.html
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: https://access.redhat.com/errata/RHSA-2021:1586
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-2021-1825