{
  "cveId": "CVE-2021-3476",
  "url": "https://patchblox.com/security/cve/CVE-2021-3476",
  "summary": "CVE-2021-3476 is fixed in 3 products on 1 platform, first by libopenexr22 2.2.0-11.1ubuntu1.6, released March 31, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libopenexr22: A flaw was found in OpenEXR\u0027s B44 uncompression functionality in versions before 3.0.0-beta",
  "description": "A flaw was found in OpenEXR\u0027s B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.",
  "published": "2021-03-30T11:15:00Z",
  "severity": "Medium",
  "epss": 0.01848,
  "epssPercentile": 0.79216,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libopenexr22",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.2.0-11.1ubuntu1.6",
      "fix": "libopenexr22 2.2.0-11.1ubuntu1.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libopenexr22-2.2.0-11.1ubuntu1.6",
      "released": "2021-03-31T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libopenexr24",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.3.0-6ubuntu0.5",
      "fix": "libopenexr24 2.3.0-6ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libopenexr24-2.3.0-6ubuntu0.5",
      "released": "2021-03-31T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "openexr",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.2.0-11.1ubuntu1.6",
      "fix": "openexr 2.2.0-11.1ubuntu1.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openexr-2.2.0-11.1ubuntu1.6",
      "released": "2021-03-31T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "openexr",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.3.0-6ubuntu0.5",
      "fix": "openexr 2.3.0-6ubuntu0.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-openexr-2.3.0-6ubuntu0.5",
      "released": "2021-03-31T07:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}