CVE-2021-38496

Katalog CVE

CVSS 8.8 · High EPSS 1,7%

Kerentanan Use After Free pada mozilla firefox, mozilla firefox esr +2 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

Rincian

Terbit di NVD

3 November 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

EPSS (30 hari)

1,7% peluang dieksploitasi; lebih tinggi dari 76,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1725335 issue tracking · permissions required · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-43/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-44/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-45/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-47/ advisory vendor
• https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html mailing list · advisory pihak ketiga
• https://www.debian.org/security/2022/dsa-5034 issue tracking · advisory pihak ketiga
• https://www.mozilla.org/security/advisories/mfsa2021-46/ broken link