Privilege escalation in the WebExtensions component (Mozilla Firefox)
En bref
- Source
- NVD
- EPSS
- EPSS 0.26 % · centile 18 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- mozilla
- Statut NVD
- Analyzed
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Description
Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Faiblesses (CWE)
- CWE-269 — Gestion incorrecte des privilèges
Références
- https://bugzilla.mozilla.org/show_bug.cgi?id=2060235
- https://www.mozilla.org/security/advisories/mfsa2026-90/
- https://www.mozilla.org/security/advisories/mfsa2026-91/
- https://www.mozilla.org/security/advisories/mfsa2026-92/
- https://www.mozilla.org/security/advisories/mfsa2026-93/
- https://www.mozilla.org/security/advisories/mfsa2026-94/
- https://www.mozilla.org/security/advisories/mfsa2026-95/
- https://www.mozilla.org/security/advisories/mfsa2026-96/
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2026-78478
- GCVE · GCVE-0-2026-92015
Avis du CERT-FR
- CERTFR-2026-AVI-1183 — Multiples vulnérabilités dans les produits Mozilla · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*< 115.41.0cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*≥ 116.0 < 140.16.0cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*≥ 141.0 < 153.3.0cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*≥ 154.0.0 < 156.0.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*< 140.16.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*≥ 141.0 < 153.3.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*≥ 154.0 < 156.0
Produits affectés
| Produit | Versions |
|---|---|
| Mozilla · Firefox | unaffected 115.41 ≤ 115.* ; unaffected 140.16 ≤ 140.* ; unaffected 153.3 ≤ 153.* ; unaffected 156 ≤ * |
| Mozilla · Thunderbird | unaffected 140.16 ≤ 140.* ; unaffected 153.3 ≤ 153.* ; unaffected 156 ≤ * |
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 |