CVE-2026-9308 | Mozilla Firefox up to 151.1 on iOS Reader View access control

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 151.1 on iOS. Affected by this vulnerability is an unknown functionality of the component Reader View. Executing a manipulation can lead to improper access controls.

This vulnerability is tracked as CVE-2026-9308. The attack can be launched remotely. No exploit exists.

You should upgrade the affected component.