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CVE-2021-4214

Estado: ModificadaMedia (5.5)—

A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service.

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 LinuxLibpng — LibpngNetapp — Ontap Select Deploy Administration Utility

CWE

Referencias

JSON original (NVD)

Mostrar
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  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
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          "versions": [
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              "version": "libpng v1.6"
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  "published": "2022-08-24T16:15:10.037",
  "references": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
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      "description": [
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          "value": "CWE-120"
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    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-787"
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  "descriptions": [
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      "value": "A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo de desbordamiento de la pila en el programa pngimage.c de libpngs. Este fallo permite a un atacante con acceso a la red local pasar un archivo PNG especialmente diseñado a la utilidad pngimage, causando un fallo en la aplicación, conllevando a una denegación de servicio."
    }
  ],
  "lastModified": "2026-06-17T04:19:14.017",
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