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CVE-2019-3574

Estado: ModificadaAlta (7.8)—

In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file loader.c, as demonstrated by img2sixel.

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 (1)

Saitoha — Libsixel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-3574",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "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,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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  "affected": [
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      "affectedData": [
        {
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          "versions": [
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  "published": "2019-01-02T15:29:00.423",
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      "url": "https://github.com/TeamSeri0us/pocs/tree/master/libsixel",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-125"
        }
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  ],
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    {
      "lang": "en",
      "value": "In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file loader.c, as demonstrated by img2sixel."
    },
    {
      "lang": "es",
      "value": "En la versión v1.8.2 de libsixel, hay una sobrelectura de búfer basada en memoria dinámica (heap) en la función load_jpeg() en el archivo loader.c, tal y como queda demostrado en img2sixel."
    }
  ],
  "lastModified": "2026-06-17T02:35:15.450",
  "configurations": [
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}