CVE-2021-38498

Katalog CVE

CVSS 7.5 · High EPSS 1,5%

Kerentanan Use After Free pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

Rincian

Terbit di NVD

3 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

1,5% peluang dieksploitasi; lebih tinggi dari 73,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1729642 permissions required · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-43/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-45/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-47/ advisory vendor