CVE-2026-4701

Katalog CVE

CVSS 9.8 · Critical EPSS 0,46%

Kerentanan Use After Free pada mozilla firefox. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Rincian

Terbit di NVD

24 Maret 2026

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,46% peluang dieksploitasi; lebih tinggi dari 38,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2026-20/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-22/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=2009303 permissions required
• https://www.mozilla.org/security/advisories/mfsa2026-23/
• https://www.mozilla.org/security/advisories/mfsa2026-24/