CVE-2020-6821

Katalog CVE

CVSS 7.5 · High EPSS 1,5%

Kerentanan Use of Uninitialized Resource pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Rincian

Terbit di NVD

24 April 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-908: Use of Uninitialized Resource

EPSS (30 hari)

1,5% peluang dieksploitasi; lebih tinggi dari 73,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2020-12/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2020-13/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2020-14/ advisory vendor
• https://usn.ubuntu.com/4335-1/ advisory pihak ketiga
• https://bugzilla.mozilla.org/show_bug.cgi?id=1625404 issue tracking · permissions required