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CVE-2019-16865

Status: ModifiedHigh (7.5)—

An issue was discovered in Pillow before 6.2.0. When reading specially crafted invalid image files, the library can either allocate very large amounts of memory or take an extremely long period of time to process the image.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Fedoraproject — FedoraPython — Pillow

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-16865",
  "cveTags": [],
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
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  "published": "2019-10-04T22:15:11.190",
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      "lang": "en",
      "value": "An issue was discovered in Pillow before 6.2.0. When reading specially crafted invalid image files, the library can either allocate very large amounts of memory or take an extremely long period of time to process the image."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en Pillow versiones anteriores a 6.2.0. Cuando se leen archivos de imagen no válidos especialmente diseñados, la biblioteca puede ya sea asignar cantidades muy grandes de memoria o tomar un período de tiempo extremadamente largo para procesar la imagen."
    }
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  "lastModified": "2026-06-17T02:22:50.877",
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