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CVE-2018-19870

Estado: ModificadaAlta (8.8)—

Se ha descubierto un problema en versiones anteriores a la 5.11.3 de Qt. Una imagen GIF mal formada provoca una desreferencia de puntero NULL en QGifHandler, lo que resulta en un fallo de segmentación.

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)

Debian — Debian LinuxOpensuse — LeapQT — QT

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2018-19870",
  "cveTags": [],
  "metrics": {
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          "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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        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
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  "published": "2018-12-26T21:29:02.387",
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      "description": [
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          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en versiones anteriores a la 5.11.3 de Qt. Una imagen GIF mal formada provoca una desreferencia de puntero NULL en QGifHandler, lo que resulta en un fallo de segmentación."
    }
  ],
  "lastModified": "2026-06-17T01:50:01.883",
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