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CVE-2023-23456

Estado: ModificadaMedia (5.5)—

A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.

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 (2)

Fedoraproject — FedoraUPX — UPX

CWE

Referencias

JSON original (NVD)

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      "lang": "en",
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    },
    {
      "lang": "es",
      "value": "Se descubrió un problema de desbordamiento de búfer de almacenamiento dinámico en UPX en PackTmt::pack() en el archivo p_tmt.cpp. El flujo permite a un atacante provocar una denegación de servicio (aborto) a través de un archivo manipulado."
    }
  ],
  "lastModified": "2026-06-17T05:37:11.033",
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