CVE-2026-7321

Katalog CVE

CVSS 9.6 · Critical EPSS 0,45%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 9.6 (Critical) menurut CISA ADP.

Deskripsi (NVD)

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.

Rincian

Terbit di NVD

28 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

EPSS (30 hari)

0,45% peluang dieksploitasi; lebih tinggi dari 37,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2026-30/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-33/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-36/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-39/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=2029461 permissions required