CVE-2026-124864 Sandbox escape due to use-after-free in the DOM: Service Workers component
Exploit status: No public exploit known
Affects: mozilla Firefox, mozilla Thunderbird, debian/firefox-esr and 5 more
Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.