CVE-2026-100771 in Firefox

Sumário

de MITRE • 29/09/2026

Undefined behavior in the DOM: Streams component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

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• Responsável: Mozilla
• Reservar: 26/09/2026
• Divulgação: 29/09/2026
• Moderação: aceite
• Entrada: VDB-411338
• CPE: pronto
• CWE: CWE-758 (confirmado)
• CVSS: 7.3 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: muito baixo
• Sector: Industry, Energy, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-100771
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100771
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-100771/