Uninitialized memory in MIME parsing (Mozilla Thunderbird)
En bref
- Source
- NVD
- EPSS
- EPSS 0.32 % · centile 25 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- mozilla
- Statut NVD
- Analyzed
Description
Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
Faiblesses (CWE)
- CWE-457 — Use of Uninitialized Variable
Références
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H | CISA-ADP |
| CVSS 3.1 | CRITICAL 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2026-69708
- GCVE · GCVE-0-2026-84639
Avis du CERT-FR
- CERTFR-2026-AVI-1106 — Multiples vulnérabilités dans les produits Mozilla · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*< 140.15.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*≥ 141.0 < 153.2.0cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*≥ 154.0 < 155.0
Produits affectés
| Produit | Versions |
|---|---|
| Mozilla · Thunderbird | unaffected 140.15 ≤ 140.* ; unaffected 153.2 ≤ 153.* ; unaffected 155 ≤ * |
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 |