PT-2026-27385 · Mozilla+2 · Firefox Esr+4
Sajeeb Lohani
·
Publicado
2026-01-01
·
Atualizado
2026-06-09
·
CVE-2026-4686
CVSS v2.0
7.8
Alta
| Vetor | AV:N/AC:L/Au:N/C:N/I:N/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
The Graphics: Canvas2D component contains incorrect boundary conditions. This issue may allow for unexpected behavior or potential security implications due to improper handling of boundaries within the Canvas2D functionality.
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
Improper Check for Exceptional Conditions
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Firefox
Firefox Esr
Red Os
Rocky Linux
Thunderbird