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CVE-2026-4723
CRITICAL9.8
Description
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149 and Thunderbird < 149.
Details CVE
Score CVSS v3.19.8
SeveriteCRITICAL
Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vecteur d'attaqueNETWORK
ComplexiteLOW
Privileges requisNONE
Interaction utilisateurNONE
Publie3/24/2026
Derniere modification3/25/2026
Sourcenvd
Observations honeypot0
Produits affectes
mozilla:firefox
Faiblesses (CWE)
CWE-416CWE-416
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2013573(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-20/(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-23/(security@mozilla.org)
Correlations IOC
Aucune correlation enregistree
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