{
  "fix": "ELSA-2021-1853",
  "url": "https://patchblox.com/security/fix/linux/elsa-2021-1853",
  "summary": "ELSA-2021-1853, released May 25, 2021, fixes 11 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 4 packages",
  "released": "2021-05-25T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2019-25042, high severity",
  "supported": true,
  "cveCount": 11,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02881,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://linux.oracle.com/errata/ELSA-2021-1853.html",
  "appliesTo": [
    {
      "product": "python3-unbound",
      "productUrl": "https://patchblox.com/security/product/linux/python3-unbound",
      "release": "ol 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "supported": true
    },
    {
      "product": "unbound",
      "productUrl": "https://patchblox.com/security/product/linux/unbound",
      "release": "ol 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "supported": true
    },
    {
      "product": "unbound-devel",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-devel",
      "release": "ol 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "supported": true
    },
    {
      "product": "unbound-libs",
      "productUrl": "https://patchblox.com/security/product/linux/unbound-libs",
      "release": "ol 8",
      "fixedVersion": "0:1.7.3-15.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2019-25032",
      "url": "https://patchblox.com/security/cve/CVE-2019-25032",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.02881,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-25034",
      "url": "https://patchblox.com/security/cve/CVE-2019-25034",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.02881,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-25035",
      "url": "https://patchblox.com/security/cve/CVE-2019-25035",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.02881,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-25039",
      "url": "https://patchblox.com/security/cve/CVE-2019-25039",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.02881,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-25042",
      "url": "https://patchblox.com/security/cve/CVE-2019-25042",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.02881,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-25038",
      "url": "https://patchblox.com/security/cve/CVE-2019-25038",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.02815,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-25037",
      "url": "https://patchblox.com/security/cve/CVE-2019-25037",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.02155,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-25041",
      "url": "https://patchblox.com/security/cve/CVE-2019-25041",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.02155,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-25036",
      "url": "https://patchblox.com/security/cve/CVE-2019-25036",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.0207,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-25040",
      "url": "https://patchblox.com/security/cve/CVE-2019-25040",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.0207,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-28935",
      "url": "https://patchblox.com/security/cve/CVE-2020-28935",
      "title": "python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00494,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}