CVE-2026-100771 Hoog8,1 Firefox en Thunderbird: ongedefinieerd gedrag in DOM Streams Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100756 Hoog8,1 Firefox en Thunderbird: geheugenfout in het afspelen van audio en video Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100770 Kritiek9,6 Firefox en Thunderbird: sandbox-ontsnapping via use-after-free in DOM Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100775 Kritiek9,6 Firefox en Thunderbird: sandbox-ontsnapping in Graphics-component Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100767 Hoog8,8 Firefox en Thunderbird: use-after-free in netwerkcache Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100769 Hoog8,8 Firefox en Thunderbird: use-after-free in WebAssembly Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100772 Hoog8,8 Firefox en Thunderbird: use-after-free in DOM Core en HTML Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100773 Hoog8,8 Firefox en Thunderbird: use-after-free in IndexedDB-opslag Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100774 Hoog8,8 Firefox en Thunderbird: use-after-free in DOM-component Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100768 Hoog8,8 Firefox en Thunderbird: use-after-free in WebGPU-onderdeel Mozilla · Firefox, Thunderbird 29 sep 2026 CVE-2026-100776 Hoog8,8 Firefox, Thunderbird en ESR: use-after-free in WebAssembly Mozilla · Firefox, Firefox ESR +1 29 sep 2026 CVE-2026-100810 Kritiek9,8 Firefox en Thunderbird: lek in het DevTools-onderdeel Mozilla · Firefox, Thunderbird 29 sep 2026