CVE-2020-26972

Katalog CVE

CVSS 9.8 · Critical EPSS 1,3%

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

Deskripsi (NVD)

The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84.

Rincian

Terbit di NVD

7 Januari 2021

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)

1,3% peluang dieksploitasi; lebih tinggi dari 69,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2020-54/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=1671382 permissions required