CVE-2026-0889 | Mozilla Firefox up to 146 Service Workers denial of service

January 13, 2026 Yanac

A vulnerability identified as problematic has been detected in Mozilla Firefox up to 146. Impacted is an unknown function of the component Service Workers. Performing a manipulation results in denial of service.

This vulnerability is reported as CVE-2026-0889. The attack is possible to be carried out remotely. No exploit exists.

You should upgrade the affected component.VulDB Recent EntriesRead More