CVE-2021-29982

Katalog CVE

CVSS 6.5 · Medium EPSS 1,1%

Kerentanan Missing Release of Resource after Effective Lifetime pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. 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

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

Jenis kelemahan (CWE)

CWE-772: Missing Release of Resource after Effective Lifetime

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 65,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1715318 exploit · 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