CVE-2025-6436

Katalog CVE

CVSS 8.1 · High EPSS 4,3%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada mozilla firefox, mozilla thunderbird. Skor CVSS 3.1 8.1 (High) menurut CISA ADP.

Deskripsi (NVD)

Memory safety bugs present in Firefox 139 and Thunderbird 139. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 140 and Thunderbird 140.

Rincian

Terbit di NVD

24 Juni 2025

Terakhir diubah

30 September 2026

Status NVD

Modified

CVSS 3.1

8.1 (High), sumber CISA ADP
CVSS:3.1/AV:N/AC:H/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

EPSS (30 hari)

4,3% peluang dieksploitasi; lebih tinggi dari 90,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2025-51/ advisory vendor
• https://www.mozilla.org/security/advisories/mfsa2025-54/ advisory vendor
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1941377%2C1960948%2C1966187%2C1966505%2C1970764%2C1942930 permissions required