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CVE-2026-4723
CRITICAL9.8
Descricao
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 149 and Thunderbird < 149.
Detalhes CVE
Pontuacao CVSS v3.19.8
SeveridadeCRITICAL
Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vetor de ataqueNETWORK
ComplexidadeLOW
Privilegios necessariosNONE
Interacao do usuarioNONE
Publicado3/24/2026
Ultima modificacao3/25/2026
Fontenvd
Avistamentos honeypot0
Produtos afetados
mozilla:firefox
Fraquezas (CWE)
CWE-416CWE-416
Referencias
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)
Correlacoes IOC
Sem correlacoes registradas
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