P4Verified

CVE-2025-3030: firefox before 128.8.0 (exclusive), before 136.0 (exclusive); +1 more affected products

CVE-2025-3030. CVSS 3.1 base score 8.1 (HIGH, Source advisory). EPSS 0.00503 (percentile 0.40888), scored 2026-10-04.

Affected technology

firefox · before 128.8.0 (exclusive)
mozilla

firefox · before 136.0 (exclusive)
mozilla

thunderbird · before 128.8.0 (exclusive)
mozilla

thunderbird · from 129.0 (inclusive), before 136.0 (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 8.1/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-05 23:10:25.342891+00:00

CWE: CWE-416
CCR priority: 32.5 /100 (P4)
CVSS 3.1: 8.1 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00503 · percentile 0.40888 · 2026-10-04
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-05 23:09:08.830529+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-3030.html