CVE-2026-100819 | Mozilla Firefox up to 115.41/140.16/153.3/156 XPCOM sandbox

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 115.41/140.16/153.3/156. This affects an unknown part of the component XPCOM. This manipulation causes sandbox issue.

This vulnerability is handled as CVE-2026-100819. The attack can be initiated remotely. There is not any exploit available.

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