CVE-2026-124913 | Mozilla Firefox up to 153.6/159 Networking isolation

November 10, 2026 Yanac

A vulnerability has been found in Mozilla Firefox up to 153.6/159 and classified as critical. This issue affects some unknown processing of the component Networking. This manipulation causes improper isolation or compartmentalization.

This vulnerability appears as CVE-2026-124913. The attack may be initiated remotely. There is no available exploit.

The affected component should be upgraded.VulDB Recent EntriesRead More