{
  "id": "CVE-2021-20304",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-08-23T16:15:09.087",
  "lastModified": "2022-12-07T02:23:42.380",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo en la funcionalidad hufDecode de OpenEXR. Este fallo permite a un atacante que pueda pasar un archivo dise\u00f1ado para ser procesado por OpenEXR, desencadenar un error de desplazamiento a la derecha no definido. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema."
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
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        "exploitabilityScore": 3.9,
        "impactScore": 3.6
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          "value": "CWE-190"
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      "type": "Secondary",
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          "value": "CWE-190"
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  "references": [
    {
      "url": "https://access.redhat.com/security/cve/CVE-2021-20304",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
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      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229",
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      "url": "https://security.gentoo.org/glsa/202210-31",
      "source": "secalert@redhat.com",
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}