{
  "fix": "knot-resolver 3.2.1-3ubuntu2.2",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-knot-resolver-3.2.1-3ubuntu2.2",
  "summary": "knot-resolver 3.2.1-3ubuntu2.2, released May 19, 2020, fixes 4 CVEs in knot-resolver. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "knot-resolver 3.2.1-3ubuntu2.2 for Ubuntu 20.04 LTS (focal)",
  "released": "2020-05-19T06:15:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 4 CVEs, none high severity",
  "supported": false,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02612,
  "appliesTo": [
    {
      "product": "knot-resolver",
      "productUrl": "https://patchblox.com/security/product/linux/knot-resolver",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.2.1-3ubuntu2.2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2020-12667",
      "url": "https://patchblox.com/security/cve/CVE-2020-12667",
      "title": "knot-resolver: Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server,...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02612,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-19331",
      "url": "https://patchblox.com/security/cve/CVE-2019-19331",
      "title": "knot-resolver: knot-resolver before version 4.3.0 is vulnerable to denial of service through high CPU utilization",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02107,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-10190",
      "url": "https://patchblox.com/security/cve/CVE-2019-10190",
      "title": "knot-resolver: A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which al...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01993,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-10191",
      "url": "https://patchblox.com/security/cve/CVE-2019-10191",
      "title": "knot-resolver: A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01932,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T13:55:20Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}