CVE-2026-74946

Katalog CVE

CVSS 8.8 · High EPSS 0,49%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 8.8 (High) menurut CISA ADP.

Deskripsi (NVD)

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Rincian

Terbit di NVD

18 Agustus 2026

Terakhir diubah

21 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

8.8 (High), sumber CISA ADP
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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

EPSS (30 hari)

0,49% peluang dieksploitasi; lebih tinggi dari 40,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2026-74/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-75/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-76/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-77/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-78/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-79/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-80/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=2059997 permissions required