Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143 (Mozilla Firefox)
En bref
- Source
- NVD
- EPSS
- EPSS 0.34 % · centile 27 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- mozilla
- Statut NVD
- Modified
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Description
Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.
Faiblesses (CWE)
- CWE-119 — Opération hors des limites d'un tampon mémoire
Références
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1938220%2C1980730%2C1981280%2C1981283%2C1984505%2C1985067
- https://www.mozilla.org/security/advisories/mfsa2025-73/
- https://www.mozilla.org/security/advisories/mfsa2025-75/
- https://www.mozilla.org/security/advisories/mfsa2025-77/
- https://www.mozilla.org/security/advisories/mfsa2025-78/
- https://lists.debian.org/debian-lts-announce/2025/09/msg00026.html
- https://lists.debian.org/debian-lts-announce/2025/09/msg00020.html
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-2025-29557
- GCVE · GCVE-0-2025-10537
Avis du CERT-FR
- CERTFR-2025-AVI-0797 — Multiples vulnérabilités dans les produits Mozilla · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*< 140.3.0cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*< 143.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*< 140.3.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*< 143.0
Produits affectés
| Produit | Versions |
|---|---|
| Mozilla · Firefox | unaffected 140.3 ≤ 140.* ; unaffected 143 ≤ * |
| Mozilla · Thunderbird | unaffected 140.3 ≤ 140.* ; unaffected 143 ≤ * |
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 |