CVE-2020-12420

Katalog CVE

CVSS 8.8 · High EPSS 1,9%

Kerentanan Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') pada mozilla firefox, mozilla firefox esr +3 lainnya. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Rincian

Terbit di NVD

9 Juli 2020

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-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416: Use After Free

EPSS (30 hari)

1,9% peluang dieksploitasi; lebih tinggi dari 78,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.mozilla.org/show_bug.cgi?id=1643437 exploit · issue tracking · advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2020-24/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2020-25/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2020-26/ advisory vendor
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html mailing list · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html mailing list · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html mailing list · advisory pihak ketiga
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html mailing list · advisory pihak ketiga
• https://security.gentoo.org/glsa/202007-09 advisory pihak ketiga
• https://security.gentoo.org/glsa/202007-10 advisory pihak ketiga
• https://usn.ubuntu.com/4421-1/ advisory pihak ketiga