CVE-2021-23981

Katalog CVE

CVSS 8.1 · High EPSS 1,1%

Kerentanan Out-of-bounds Write pada mozilla firefox, mozilla firefox esr +1 lainnya. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

Rincian

Terbit di NVD

31 Maret 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 65,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2021-10/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-11/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2021-12/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=1692832 issue tracking