CVE-2021-29986

Katalog CVE

CVSS 8.1 · High EPSS 1,3%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

Rincian

Terbit di NVD

17 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

EPSS (30 hari)

1,3% peluang dieksploitasi; lebih tinggi dari 68,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1696138 exploit · issue tracking · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-33/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-34/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-35/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-36/ advisory vendor
• https://security.gentoo.org/glsa/202202-03 advisory pihak ketiga
• https://security.gentoo.org/glsa/202208-14 advisory pihak ketiga