CVE-2026-84142

Katalog CVE

CVSS 9.8 · Critical EPSS 0,56%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155 and Thunderbird 155.

Rincian

Terbit di NVD

1 September 2026

Terakhir diubah

3 September 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

EPSS (30 hari)

0,56% peluang dieksploitasi; lebih tinggi dari 45,1% 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/buglist.cgi?bug_id=2029421%2C2040889%2C2045313%2C2045435%2C2053578%2C2058621%2C20... issue tracking
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=2048796%2C2053150%2C2057356 issue tracking