CVE-2019-9811

Estado: ModificadaAlta (8.3)—
As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Puntuación base: 8.3
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 2.57%
Percentil entre todas las CVEs puntuadas: 85
Fecha de la puntuación: 1/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (6)

Debian — Debian Linux Mozilla — Firefox Mozilla — Firefox ESR Mozilla — Thunderbird Novell — Suse Package HUB FOR Suse Linux Enterprise Opensuse — Leap
CWE

CWE-74
Referencias

JSON original (NVD)

Mostrar
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          "value": "CWE-74"
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      "value": "As part of a winning Pwn2Own entry, a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8."
    },
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      "value": "Como parte de una entrada Pwn2Own ganadora, un investigador demostró un escape del sandbox mediante la instalación de un paquete de idioma malicioso y luego abriendo una funcionalidad del navegador que usaba la traducción comprometida. Esta vulnerabilidad afecta a Firefox ESR anterior a versión 60.8, Firefox anterior a versión 68 y Thunderbird anterior a versión 60.8."
    }
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  "lastModified": "2026-06-17T02:44:38.830",
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