{
  "cveId": "CVE-2021-20304",
  "url": "https://patchblox.com/security/cve/CVE-2021-20304",
  "summary": "CVE-2021-20304 is fixed in 6 products on 1 platform, first by DEBIAN-CVE-2021-20304, released August 23, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "openexr: A flaw was found in OpenEXR\u0027s hufDecode functionality",
  "description": "A flaw was found in OpenEXR\u0027s 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.",
  "published": "2022-08-23T16:15:09Z",
  "severity": "high",
  "cvss": 7.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.02067,
  "epssPercentile": 0.81531,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "openexr",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2.5.4-1",
      "fix": "DEBIAN-CVE-2021-20304",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-20304",
      "released": "2022-08-23T16:15:09Z"
    },
    {
      "platform": "linux",
      "product": "openexr",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.5.4-1",
      "fix": "DEBIAN-CVE-2021-20304",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-20304",
      "released": "2022-08-23T16:15:09Z"
    },
    {
      "platform": "linux",
      "product": "openexr",
      "release": "Debian 14",
      "fixedVersion": "2.5.4-1",
      "fix": "DEBIAN-CVE-2021-20304",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-20304",
      "released": "2022-08-23T16:15:09Z"
    },
    {
      "platform": "linux",
      "product": "openexr",
      "release": "amzn 2023",
      "fixedVersion": "3.1.5-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-022",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-022",
      "released": "2023-02-17T20:43:00Z"
    },
    {
      "platform": "linux",
      "product": "openexr-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.1.5-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-022",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-022",
      "released": "2023-02-17T20:43:00Z"
    },
    {
      "platform": "linux",
      "product": "openexr-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "3.1.5-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-022",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-022",
      "released": "2023-02-17T20:43:00Z"
    },
    {
      "platform": "linux",
      "product": "openexr-devel",
      "release": "amzn 2023",
      "fixedVersion": "3.1.5-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-022",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-022",
      "released": "2023-02-17T20:43:00Z"
    },
    {
      "platform": "linux",
      "product": "openexr-libs",
      "release": "amzn 2023",
      "fixedVersion": "3.1.5-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-022",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-022",
      "released": "2023-02-17T20:43:00Z"
    },
    {
      "platform": "linux",
      "product": "openexr-libs-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.1.5-1.amzn2023.0.3",
      "fix": "ALAS2023-2023-022",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-022",
      "released": "2023-02-17T20:43:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}