CVE-2026-16375 | Mozilla Firefox up to 140.12/152 HTTP improper isolation or compartmentalization

A vulnerability has been found in Mozilla Firefox up to 140.12/152 and classified as critical. This impacts an unknown function of the component HTTP. The manipulation leads to improper isolation or compartmentalization.

This vulnerability is listed as CVE-2026-16375. The attack may be initiated remotely. There is no available exploit.