CVE-2026-75874

10.0 Critique

Publiée le 18/08/2026 à 15:17 · Modifiée le 02/09/2026 à 00:17 · Modifiée · Source : security@mozilla.org

Description

Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 140.15, and Thunderbird 153.2.

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Produits concernés

Mozilla Firefox
Mozilla Thunderbird

Scores CVSS

Version	Score	Source	Vecteur
3.1	10.0 Critique	134c704f-9b21-4f2e-91b3-4a467353bcc0	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`

Faiblesses (CWE)

CWE-693

Références

https://bugzilla.mozilla.org/show_bug.cgi?id=2039972 Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-74/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-78/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-83/
https://www.mozilla.org/security/advisories/mfsa2026-84/
https://www.mozilla.org/security/advisories/mfsa2026-85/
https://www.mozilla.org/security/advisories/mfsa2026-87/
https://www.mozilla.org/security/advisories/mfsa2026-88/

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories