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CVE-2025-8031
CVE-2025-8031. CVSS base score 9.8 (CRITICAL, Source advisory). EPSS 0.00465 (percentile 0.38059), scored 2026-10-04.
Affected technology
firefox · before 128.13.0 (exclusive)
mozilla
firefox · before 141.0 (exclusive)
mozilla
firefox · from 140.0 (inclusive), before 140.1.0 (exclusive)
mozilla
thunderbird · before 128.13.0 (exclusive)
mozilla
thunderbird · before 141.0 (exclusive)
mozilla
thunderbird · from 140.0 (inclusive), before 140.1.0 (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 rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-276
- CCR priority
- 39.3 /100 (P4)
- CVSS
- 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
- 0.00465 · percentile 0.38059 · 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-2025-8031.html