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CVE-2019-19648

Estado: ModificadaAlta (7.8)—

In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential 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 (2)

Fedoraproject — FedoraVirustotal — Yara

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2019-19648",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
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          "scope": "UNCHANGED",
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          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
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  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
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  "published": "2019-12-09T01:15:10.357",
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      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-125"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the macho_parse_file functionality in macho/macho.c of YARA 3.11.0, command_size may be inconsistent with the real size. A specially crafted MachO file can cause an out-of-bounds memory access, resulting in Denial of Service (application crash) or potential code execution."
    },
    {
      "lang": "es",
      "value": "En la funcionalidad macho_parse_file en  el archivo macho/macho.c de YARA versión 3.11.0, command_size puede ser inconsistente con el tamaño real. Un archivo MachO especialmente diseñado puede causar un acceso a la memoria fuera de límites, resultando en una Denegación de Servicio (bloqueo de aplicación) o una potencial ejecución de código."
    }
  ],
  "lastModified": "2026-06-17T02:27:00.280",
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