CVE-2022-42930: Mozilla Firefox

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

If two Workers were simultaneously initializing their CacheStorage, a data race could have occurred in the `ThirdPartyUtil` component. This vulnerability affects Firefox < 106.

Affected products

• Mozilla Firefox: before 106.0 (fixed in 106.0)

Published 2022-12-22. Last modified 2026-06-17.