{
  "fix": "RHEA-2021:1906",
  "url": "https://patchblox.com/security/fix/linux/rhea-2021-1906",
  "summary": "RHEA-2021:1906, released May 18, 2021, fixes 8 CVEs in libyang (version 0:1.0.184-1.el8). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "libyang security update",
  "released": "2021-05-18T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2019-20393, high severity",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02837,
  "maxCvss": 7,
  "vendorAdvisory": "https://access.redhat.com/errata/RHEA-2021:1906",
  "appliesTo": [
    {
      "product": "libyang",
      "productUrl": "https://patchblox.com/security/product/linux/libyang",
      "release": "RHEL 8",
      "fixedVersion": "0:1.0.184-1.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2019-20393",
      "url": "https://patchblox.com/security/cve/CVE-2019-20393",
      "title": "libyang: For detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.4 Release Notes linked from t...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7,
      "epss": 0.02837,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-20394",
      "url": "https://patchblox.com/security/cve/CVE-2019-20394",
      "title": "libyang: For detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.4 Release Notes linked from t...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7,
      "epss": 0.02814,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-20397",
      "url": "https://patchblox.com/security/cve/CVE-2019-20397",
      "title": "libyang: For detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.4 Release Notes linked from t...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7,
      "epss": 0.0251,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-20396",
      "url": "https://patchblox.com/security/cve/CVE-2019-20396",
      "title": "libyang: For detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.4 Release Notes linked from t...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.4,
      "epss": 0.01931,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-20391",
      "url": "https://patchblox.com/security/cve/CVE-2019-20391",
      "title": "libyang: For detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.4 Release Notes linked from t...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.01876,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-20392",
      "url": "https://patchblox.com/security/cve/CVE-2019-20392",
      "title": "libyang: For detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.4 Release Notes linked from t...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.01876,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-20395",
      "url": "https://patchblox.com/security/cve/CVE-2019-20395",
      "title": "libyang: For detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.4 Release Notes linked from t...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.01855,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-20398",
      "url": "https://patchblox.com/security/cve/CVE-2019-20398",
      "title": "libyang: For detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.4 Release Notes linked from t...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.01818,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}