PT-2026-27383
CVE-2026-4684
·
Publicado
2026-01-01
·
Atualizado
2026-06-12
Descrição por
CVSS 3.1
10
CríticaMétricasAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 149
Firefox ESR versions prior to 115.34
Firefox ESR versions prior to 140.9
Thunderbird versions prior to 149
Thunderbird versions prior to 140.9
Description
A race condition and use-after-free issue exists in the Graphics: WebRender component. This can potentially lead to unexpected behavior or crashes.
Recommendations
Update Firefox to version 149 or later.
Update Firefox ESR to version 115.34 or later.
Update Firefox ESR to version 140.9 or later.
Update Thunderbird to version 149 or later.
Update Thunderbird to version 140.9 or later.
Explorabilidade
Correção
Impactos
Fornecedores
Produtos afetados
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