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CVE-2021-30789

Estado: ModificadaAlta (7.8)—

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.

CVSS

Probabilidad de explotación (EPSS)

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 (5)

Apple — Iphone OSApple — MAC OS XApple — MacosApple — TvosApple — Watchos

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-30789",
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
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          "value": "CWE-125"
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      "value": "Se abordó una lectura fuera de límites con una comprobación de entrada mejorada. Este problema se corrigió en iOS versión 14.7, macOS Big Sur versión 11.5, watchOS versión 7.6, tvOS versión 14.7, Security Update 2021-004 Catalina. El procesamiento de un archivo de fuentes maliciosamente diseñado puede conllevar a una ejecución de código arbitrario"
    }
  ],
  "lastModified": "2026-06-17T03:50:54.047",
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