CVE-2026-4684

HIGH

7.5

Descricao

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado3/24/2026

Ultima modificacao3/24/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

mozilla:firefox

Fraquezas (CWE)

CWE-362CWE-416

Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=2011129(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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