PT-2026-21717 · Mozilla · Firefox+2
D. Santos
·
Publicado
2026-01-01
·
Atualizado
2026-03-18
·
CVE-2026-2784
CVSS v3.1
9.8
Crítica
| Vetor | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 148
Firefox ESR versions prior to 140.8
Thunderbird versions prior to 148
Thunderbird versions prior to 140.8
Description
A mitigation bypass exists in the DOM within the Security component. This issue impacts Firefox and Thunderbird.
Recommendations
Update Firefox to version 148 or later.
Update Firefox ESR to version 140.8 or later.
Update Thunderbird to version 148 or later.
Update Thunderbird to version 140.8 or later.
Correção
Authentication Bypass Using an Alternate Path or Channel
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Firefox
Firefox Esr
Thunderbird