CVE-2026-84126

Katalog CVE

CVSS 4.3 · Medium EPSS 0,31%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 4.3 (Medium) menurut CISA ADP.

Deskripsi (NVD)

Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155 and Thunderbird 155.

Rincian

Terbit di NVD

1 September 2026

Terakhir diubah

3 September 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

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

EPSS (30 hari)

0,31% peluang dieksploitasi; lebih tinggi dari 22,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2026-82/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2026-86/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=2063893 permissions required