Cryptographic issue in the Security Block-lists, Allow-lists, and other State component (Mozilla Firefox)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.46 % · percentile 40 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mozilla
- NVD status
- Awaiting Analysis
Description
Cryptographic issue in the Security Block-lists, Allow-lists, and other State component. This vulnerability was fixed in Firefox 158.0.1, Firefox ESR 153.5.1, Firefox ESR 115.43.1, Thunderbird 158.0.1, Thunderbird 153.5.1, and Firefox 158.0.2.
Weaknesses (CWE)
- CWE-295 — Improper Certificate Validation
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2084311
- https://www.mozilla.org/security/advisories/mfsa2026-111/
- https://www.mozilla.org/security/advisories/mfsa2026-112/
- https://www.mozilla.org/security/advisories/mfsa2026-113/
- https://www.mozilla.org/security/advisories/mfsa2026-114/
- https://www.mozilla.org/security/advisories/mfsa2026-115/
- https://www.mozilla.org/security/advisories/mfsa2026-116/
- http://www.openwall.com/lists/oss-security/2026/10/20/30
- https://lists.debian.org/debian-lts-announce/2026/10/msg00041.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N | CISA-ADP |
| CVSS 3.1 | MEDIUM 5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-104991
- GCVE · GCVE-0-2026-113470
CERT-FR advisories
- CERTFR-2026-AVI-1361 — Vulnérabilité dans les produits Mozilla · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1346 — Multiples vulnérabilités dans les produits Mozilla · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Mozilla · Firefox | unaffected 115.43.1 ≤ 115.* ; unaffected 153.5.1 ≤ 153.* ; unaffected 158.0.1 ≤ 158.* ; unaffected 158.0.2 ≤ * |
| Mozilla · Thunderbird | unaffected 153.5.1 ≤ 153.* ; unaffected 158.0.1 ≤ * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |