CVE-2026-84124 | Mozilla Firefox up to 140.14/153.1/154 DOM use after free (Nessus ID 342446 / WID-SEC-2026-3132)
A vulnerability has been found in Mozilla Firefox up to 140.14/153.1/154 and classified as critical. This affects an unknown function of the component DOM. This manipulation causes use after free.
This vulnerability appears as CVE-2026-84124. The attack may be initiated remotely. There is no available exploit.
The affected component should be upgraded.