{
  "fix": "thunderbird 1:68.4.1\u002Bbuild1-0ubuntu0.18.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-68.4.1-build1-0ubuntu0.18.04.1",
  "summary": "thunderbird 1:68.4.1\u002Bbuild1-0ubuntu0.18.04.1, released January 8, 2020, fixes 11 CVEs in thunderbird. One of them is being exploited (CVE-2019-17026); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "thunderbird 1:68.4.1\u002Bbuild1-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2020-01-08T16:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2019-17026, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 11,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.46311,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "thunderbird",
      "productUrl": "https://patchblox.com/security/product/linux/thunderbird",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:68.4.1\u002Bbuild1-0ubuntu0.18.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2019-17026",
      "url": "https://patchblox.com/security/cve/CVE-2019-17026",
      "title": "Mozilla Firefox And Thunderbird Type Confusion Vulnerability",
      "priority": "Patch now",
      "severity": "CRITICAL",
      "cvss": 8.8,
      "epss": 0.46311,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-17017",
      "url": "https://patchblox.com/security/cve/CVE-2019-17017",
      "title": "Firefox ESR: Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in\u2026",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 8.8,
      "epss": 0.02489,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-17024",
      "url": "https://patchblox.com/security/cve/CVE-2019-17024",
      "title": "Firefox ESR: Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3.",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 8.8,
      "epss": 0.02455,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-17016",
      "url": "https://patchblox.com/security/cve/CVE-2019-17016",
      "title": "Firefox ESR: When pasting a \u0026lt;style\u0026gt; tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly\u2026",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 6.1,
      "epss": 0.01988,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-17022",
      "url": "https://patchblox.com/security/cve/CVE-2019-17022",
      "title": "Firefox ESR: When pasting a \u0026lt;style\u0026gt; tag from the clipboard into a rich text editor, the CSS sanitizer does not\u2026",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 6.1,
      "epss": 0.01988,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-17012",
      "url": "https://patchblox.com/security/cve/CVE-2019-17012",
      "title": "Firefox ESR: Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2.",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 8.8,
      "epss": 0.01967,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-17005",
      "url": "https://patchblox.com/security/cve/CVE-2019-17005",
      "title": "Firefox ESR: The plain text serializer used a fixed-size array for the number of \u003Col\u003E elements it could process; however\u2026",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 8.8,
      "epss": 0.01907,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-17008",
      "url": "https://patchblox.com/security/cve/CVE-2019-17008",
      "title": "Firefox ESR: When using nested workers, a use-after-free could occur during worker destruction.",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 8.8,
      "epss": 0.01877,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-17010",
      "url": "https://patchblox.com/security/cve/CVE-2019-17010",
      "title": "Firefox ESR: Under certain conditions, when checking the Resist Fingerprinting preference during device orientation\u2026",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 7.5,
      "epss": 0.01524,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-17011",
      "url": "https://patchblox.com/security/cve/CVE-2019-17011",
      "title": "Firefox ESR: Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race\u2026",
      "priority": "Urgent",
      "severity": "CRITICAL",
      "cvss": 7.5,
      "epss": 0.01524,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-11745",
      "url": "https://patchblox.com/security/cve/CVE-2019-11745",
      "title": "nss: ELSA-2019-4114: nss security update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.02994,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T20:04:13Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}