CVE-2026-92022 | Mozilla Firefox up to 115.40/140.15/153.2/155 HTML Parser use after free

A vulnerability marked as critical has been reported in Mozilla Firefox up to 115.40/140.15/153.2/155. This issue affects some unknown processing of the component HTML Parser. The manipulation leads to use after free.

This vulnerability is uniquely identified as CVE-2026-92022. The attack is possible to be carried out remotely. No exploit exists.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More