{
  "fix": "RHSA-2020:0111",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2020-0111",
  "summary": "RHSA-2020:0111, released January 14, 2020, fixes 5 CVEs in firefox (version 0:68.4.1-1.el8_1). One of them is being exploited (CVE-2019-17026); 1 on CISA KEV. Patch Radar priority: Patch now.",
  "platform": "linux",
  "type": "advisory",
  "title": "firefox security update",
  "released": "2020-01-14T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2019-17026, exploited (CISA KEV)",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.46311,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2020:0111",
  "appliesTo": [
    {
      "product": "firefox",
      "productUrl": "https://patchblox.com/security/product/linux/firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:68.4.1-1.el8_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
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}