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CVE-2021-28831

Estado: ModificadaAlta (7.5)—

El archivo decompress_gunzip.c en BusyBox versiones hasta 1.32.1, maneja inapropiadamente el bit de error en el puntero de resultado de huft_build, con un fallo liberación invalida o de segmentación resultante, por medio de datos gzip malformados

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 (3)

Busybox — BusyboxDebian — Debian LinuxFedoraproject — Fedora

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-28831",
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  "published": "2021-03-19T05:15:13.150",
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      "lang": "en",
      "value": "decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data."
    },
    {
      "lang": "es",
      "value": "El archivo decompress_gunzip.c en BusyBox versiones hasta 1.32.1, maneja inapropiadamente el bit de error en el puntero de resultado de huft_build, con un fallo liberación invalida o de segmentación resultante, por medio de datos gzip malformados"
    }
  ],
  "lastModified": "2026-06-17T03:46:57.420",
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