CVE-2020-12387

Katalog CVE

CVSS 8.1 · High EPSS 1,4%

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 race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Rincian

Terbit di NVD

26 Mei 2020

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')
CWE-416: Use After Free

EPSS (30 hari)

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

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://security.gentoo.org/glsa/202005-03 advisory pihak ketiga
• https://security.gentoo.org/glsa/202005-04 advisory pihak ketiga
• https://www.mozilla.org/security/advisories/mfsa2020-16/ advisory pihak ketiga
• https://www.mozilla.org/security/advisories/mfsa2020-17/ advisory pihak ketiga
• https://www.mozilla.org/security/advisories/mfsa2020-18/ advisory pihak ketiga
• https://bugzilla.mozilla.org/show_bug.cgi?id=1545345 issue tracking · permissions required
• https://usn.ubuntu.com/4373-1/ broken link