CVE-2021-29970

Katalog CVE

CVSS 8.8 · High EPSS 1,4%

Kerentanan Use After Free pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

Rincian

Terbit di NVD

5 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

Jenis kelemahan (CWE)

CWE-416: Use After Free
CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,4% peluang dieksploitasi; lebih tinggi dari 72,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1709976 exploit · issue tracking · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-28/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-29/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-30/ advisory vendor
• https://security.gentoo.org/glsa/202202-03 advisory pihak ketiga
• https://security.gentoo.org/glsa/202208-14 advisory pihak ketiga