Incorrect boundary conditions in the Graphics: CanvasWebGL component (Mozilla Firefox)

CVE-2026-12324

HIGH 7.3

En bref

Source: NVD
EPSS: EPSS 0.21 % · centile 11 (2026-10-31)
État: PUBLISHED
Publiée: 2026-06-16 11:52 UTC
Mise à jour: 2026-06-16 16:11 UTC
Attribuée par: mozilla
Statut NVD: Analyzed

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Description

Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

Faiblesses (CWE)

CWE-703 — Improper Check or Handling of Exceptional Conditions

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	CISA-ADP
CVSS 3.1	HIGH 7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Références européennes

ENISA EUVD · EUVD-2026-37070
GCVE · GCVE-0-2026-12324

Avis du CERT-FR

CERTFR-2026-AVI-0764 — Multiples vulnérabilités dans les produits Mozilla · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* < 140.12.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* < 152.0.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* < 140.12.0
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* < 152.0.0

Produits affectés

Produit	Versions
Mozilla · Firefox	unaffected 140.12 ≤ 140.* ; unaffected 152 ≤ *
Mozilla · Thunderbird	unaffected 140.12 ≤ 140.* ; unaffected 152 ≤ *

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