P4Verified

CVE-2025-12380: firefox from 142.0 (inclusive), before 144.0.2 (exclusive)

CVE-2025-12380. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00338 (percentile 0.25016), scored 2026-10-06.

Affected technology

firefox · from 142.0 (inclusive), before 144.0.2 (exclusive)
mozilla

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-08 17:34:43.677276+00:00

CWE: CWE-416
CCR priority: 39.3 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00338 · percentile 0.25122 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-12380.html