CVE-2026-100821 | Mozilla Firefox up to 115.41/140.16/153.3/156 Panning/Zooming isolation

September 29, 2026 Yanac

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 115.41/140.16/153.3/156. This vulnerability affects unknown code of the component Panning/Zooming. Such manipulation leads to improper isolation or compartmentalization.

This vulnerability is uniquely identified as CVE-2026-100821. The attack can be launched remotely. No exploit exists.

You should upgrade the affected component.VulDB Recent EntriesRead More