Denial-of-service in the DOM: Service Workers component. This vulnerability affects Firefox < 147 and Thunderbird < 147.CreditsElysee Franchuk, Caleb LerchReferenceshttps://bugzilla.mozilla.org/show_bug.cgi?id=1999084https://www.mozilla.org/security/advisories/mfsa2026-01/https://www.mozilla.org/security/advisories/mfsa2026-04/