CVE-2026-74989

Katalog CVE

CVSS 9.8 · Critical EPSS 0,57%

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 CISA ADP.

Deskripsi (NVD)

Internally found bugs present in Thunderbird 153. 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 154 and Thunderbird 154.

Rincian

Terbit di NVD

18 Agustus 2026

Terakhir diubah

1 September 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber CISA ADP
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

EPSS (30 hari)

0,57% peluang dieksploitasi; lebih tinggi dari 45,6% 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/mfsa2026-78/ advisory vendor
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=2022257%2C2027351%2C2027380%2C2029289 not applicable
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=2027388%2C2029750%2C2029794%2C2043298%2C2045126%2C2049810%2C20... not applicable