Sandbox escape due to incorrect boundary conditions in the XPCOM 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
Description
Sandbox escape due to incorrect boundary conditions in the XPCOM component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
Faiblesses (CWE)
- CWE-119 — Opération hors des limites d'un tampon mémoire
Références
- https://bugzilla.mozilla.org/show_bug.cgi?id=2071069
- https://www.mozilla.org/security/advisories/mfsa2026-100/
- https://www.mozilla.org/security/advisories/mfsa2026-101/
- https://www.mozilla.org/security/advisories/mfsa2026-102/
- https://www.mozilla.org/security/advisories/mfsa2026-103/
- https://www.mozilla.org/security/advisories/mfsa2026-97/
- https://www.mozilla.org/security/advisories/mfsa2026-98/
- https://www.mozilla.org/security/advisories/mfsa2026-99/
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | CRITICAL 9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2026-88798
- GCVE · GCVE-0-2026-100819
Avis du CERT-FR
- CERTFR-2026-AVI-1244 — Multiples vulnérabilités dans Mozilla Thunderbird · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1240 — Multiples vulnérabilités dans les produits Mozilla · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*< 115.42.0cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*≥ 116.0 < 140.17.0cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*≥ 141.0 < 153.4.0cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*≥ 154.0.0 < 157.0.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*< 140.17.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*≥ 141.0 < 153.4.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*≥ 154.0 < 157.0
Produits affectés
| Produit | Versions |
|---|---|
| Mozilla · Firefox | unaffected 115.42 ≤ 115.* ; unaffected 140.17 ≤ 140.* ; unaffected 153.4 ≤ 153.* ; unaffected 157 ≤ * |
| Mozilla · Thunderbird | unaffected 140.17 ≤ 140.* ; unaffected 153.4 ≤ 153.* ; unaffected 157 ≤ * |
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 |