CVE-2026-8389

Katalog CVE

CVSS 8.8 · High EPSS 0,46%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada mozilla firefox. Skor CVSS 3.1 8.8 (High) menurut CISA ADP.

Deskripsi (NVD)

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.

Rincian

Terbit di NVD

12 Mei 2026

Terakhir diubah

15 Juli 2026

Status NVD

Modified

CVSS 3.1

8.8 (High), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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-686: Function Call With Incorrect Argument Type
CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
CWE-733: Compiler Optimization Removal or Modification of Security-critical Code

EPSS (30 hari)

0,46% peluang dieksploitasi; lebih tinggi dari 37,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.mozilla.org/security/advisories/mfsa2026-45/ advisory vendor
• https://bugzilla.mozilla.org/show_bug.cgi?id=2036983 permissions required
• https://access.redhat.com/security/cve/CVE-2026-8389
• https://bugzilla.redhat.com/show_bug.cgi?id=2476466
• https://github.com/crixpwn/CVE-2026-8389
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8389.json