CVE-2026-0889

CVE-2026-0889 describes a Denial-of-Service in the DOM: Service Workers component, affecting Mozilla Firefox and Mozilla Thunderbird versions earlier than 147. The CVE’s publicly documented impact is DoS with the DOM Service Workers, and the related advisory notes advise updating to the latest ve...

CVE-2026-0889 Denial-of-service in the DOM: Service Workers component

Denial-of-service in the DOM: Service Workers component. This vulnerability was fixed in Firefox 147 and Thunderbird 147...

CVE-2026-0889 Denial-of-service in the DOM: Service Workers component

Denial-of-service in the DOM: Service Workers component. This vulnerability was fixed in Firefox 147 and Thunderbird 147...

CVE-2026-0889

Denial-of-service in the DOM: Service Workers component. This vulnerability was fixed in Firefox 147 and Thunderbird 147...

PT-2026-2651

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 147 Description A denial-of-service issue exists in the DOM: Service Workers component. Recommendations Update Firefox to version 147 or later...