JIT miscompilation in the JavaScript Engine: JIT component (Mozilla Firefox)
En bref
- Source
- NVD
- EPSS
- EPSS 0.42 % · centile 37 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- mozilla
- Statut NVD
- Modified
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Description
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.
Faiblesses (CWE)
- CWE-686 — Function Call With Incorrect Argument Type
- CWE-843 — Confusion de type (accès à une ressource via un type incompatible)
- CWE-119 — Opération hors des limites d'un tampon mémoire
- CWE-733 — Compiler Optimization Removal or Modification of Security-critical Code
Références
- https://bugzilla.mozilla.org/show_bug.cgi?id=2036983
- https://www.mozilla.org/security/advisories/mfsa2026-45/
- https://github.com/crixpwn/CVE-2026-8389
- https://access.redhat.com/security/cve/CVE-2026-8389
- https://bugzilla.redhat.com/show_bug.cgi?id=2476466
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8389.json
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 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H | redhat-SADP |
| 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) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary) |
Références européennes
- ENISA EUVD · EUVD-2026-29464
- GCVE · GCVE-0-2026-8389
Avis du CERT-FR
- CERTFR-2026-AVI-0578 — Multiples vulnérabilités dans Mozilla Firefox · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*< 150.0.3
Produits affectés
| Produit | Versions |
|---|---|
| Mozilla · Firefox | unaffected 150.0.3 ≤ * |
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 |