CVE-2026-4692

CRITICAL

10.0

Descricao

Sandbox escape in the Responsive Design Mode component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

Detalhes CVE

Pontuacao CVSS v3.110.0

SeveridadeCRITICAL

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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:firefoxmozilla:thunderbird

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=2017643(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-20/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-21/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-22/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-23/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2026-24/(security@mozilla.org)

Correlacoes IOC

Sem correlacoes registradas

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