CVE-2023-4585

Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2

En bref

Sévérité: HIGH 8.8
EPSS: EPSS 0.77 % · centile 56 (2026-10-27)
État: PUBLISHED
Publiée: 2023-09-11
Mise à jour: 2025-12-18
Attribuée par: mozilla
Statut NVD: Modified

Description

Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. 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 affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

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 · nvd@nist.gov (Primary)
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)

Faiblesses (CWE)

CWE-787

Références européennes

ENISA EUVD · EUVD-2023-54439
GCVE · GCVE-0-2023-4585

Avis du CERT-FR

CERTFR-2023-AVI-0703 — Multiples vulnérabilités dans Thunderbird · cert.ssi.gouv.fr
CERTFR-2023-AVI-0695 — Multiples vulnérabilités dans les produits Mozilla · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* < 117.0
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* < 115.2
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* < 115.2

Produits affectés

Produit	Versions
Mozilla · Firefox	affected unspecified < 117
Mozilla · Firefox ESR	affected unspecified < 115.2
Mozilla · Thunderbird	affected unspecified < 115.2

Références

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