PT-2026-27390 · Mozilla+2 · Firefox Esr+4
Fabius Artrel
·
Publicado
2026-01-01
·
Atualizado
2026-06-10
·
CVE-2026-4691
CVSS v2.0
10
Crítica
| Vetor | AV:N/AC:L/Au:N/C:C/I:C/A:C |
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 use-after-free issue exists in the CSS Parsing and Computation component. This can potentially allow for 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.
Correção
DoS
Use After Free
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Firefox
Firefox Esr
Red Os
Rocky Linux
Thunderbird