PT-2026-21696 · Mozilla · Firefox+2
André Bargull
·
Publicado
2026-01-01
·
Atualizado
2026-04-16
·
CVE-2026-2763
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 115.33
Firefox ESR versions prior to 140.8
Thunderbird versions prior to 148
Thunderbird versions prior to 140.8
Description
A use-after-free issue exists in the JavaScript Engine component. This can occur when memory is accessed after it has been freed, potentially leading to crashes or arbitrary code execution.
Recommendations
Update Firefox to version 148 or later.
Update Firefox ESR to version 115.33 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
Use After Free
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Firefox
Firefox Esr
Thunderbird