CVE-2026-74934

Katalog CVE

CVSS 7.5 · High EPSS 0,21%

Kerentanan Exposure of Sensitive Information to an Unauthorized Actor pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 7.5 (High) menurut CISA ADP.

Deskripsi (NVD)

Site isolation issue 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

24 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-284: Improper Access Control
CWE-346: Origin Validation Error

EPSS (30 hari)

0,21% peluang dieksploitasi; lebih tinggi dari 10,6% 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=2050584 permissions required