PT-2026-27388 · Mozilla+2 · Firefox Esr+4
Sajeeb Lohani
·
Publicado
2026-01-01
·
Atualizado
2026-06-10
·
CVE-2026-4689
CVSS v3.1
10
Crítica
| Vetor | AV: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 sandbox escape is possible due to incorrect boundary conditions and an integer overflow within the XPCOM component. This issue could allow an attacker to bypass security restrictions.
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
Integer Overflow
Buffer Overflow
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Identificadores relacionados
Produtos afetados
Firefox
Firefox Esr
Red Os
Rocky Linux
Thunderbird