CVE-2021-29981

Katalog CVE

CVSS 8.8 · High EPSS 1,0%

Kerentanan pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Rincian

Terbit di NVD

17 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

EPSS (30 hari)

1,0% peluang dieksploitasi; lebih tinggi dari 62,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1707774 issue tracking · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-33/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-36/ advisory vendor
• https://security.gentoo.org/glsa/202202-03 advisory pihak ketiga