{
  "fix": "firefox 123.0\u002Bbuild3-0ubuntu0.20.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-123.0-build3-0ubuntu0.20.04.1",
  "summary": "firefox 123.0\u002Bbuild3-0ubuntu0.20.04.1, released February 20, 2024, fixes 12 CVEs in firefox. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "firefox 123.0\u002Bbuild3-0ubuntu0.20.04.1 for Ubuntu 20.04 LTS (focal)",
  "released": "2024-02-20T06:15:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2024-1553, high severity",
  "supported": false,
  "cveCount": 12,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00945,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "firefox",
      "productUrl": "https://patchblox.com/security/product/linux/firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "123.0\u002Bbuild3-0ubuntu0.20.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2024-1553",
      "url": "https://patchblox.com/security/cve/CVE-2024-1553",
      "title": "Mozilla Firefox ESR and 5 others: Improper Restriction of Operations within the Bounds of a Memory Buffer",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.1,
      "epss": 0.00866,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1546",
      "url": "https://patchblox.com/security/cve/CVE-2024-1546",
      "title": "Mozilla Firefox ESR and 5 others: Out-of-bounds Read",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.00718,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1547",
      "url": "https://patchblox.com/security/cve/CVE-2024-1547",
      "title": "Mozilla Firefox ESR and 5 others: Authentication Bypass by Spoofing",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.00679,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1552",
      "url": "https://patchblox.com/security/cve/CVE-2024-1552",
      "title": "firefox: ELSA-2024-0955: firefox security update (IMPORTANT)",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.00672,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1557",
      "url": "https://patchblox.com/security/cve/CVE-2024-1557",
      "title": "Mozilla Firefox ESR and 3 others: Out-of-bounds Write",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.1,
      "epss": 0.00558,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1555",
      "url": "https://patchblox.com/security/cve/CVE-2024-1555",
      "title": "Mozilla Firefox ESR and 3 others: Authentication Bypass by Spoofing",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.3,
      "epss": 0.00478,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1554",
      "url": "https://patchblox.com/security/cve/CVE-2024-1554",
      "title": "Mozilla Firefox ESR and 3 others: Insufficient Verification of Data Authenticity",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00382,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1548",
      "url": "https://patchblox.com/security/cve/CVE-2024-1548",
      "title": "Mozilla Firefox ESR and 5 others: A website could have obscured the fullscreen notification by using a dropdown select input element.",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.1,
      "epss": 0.00945,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1551",
      "url": "https://patchblox.com/security/cve/CVE-2024-1551",
      "title": "Mozilla Firefox ESR and 5 others: Reliance on Cookies without Validation and Integrity Checking",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.1,
      "epss": 0.00743,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1550",
      "url": "https://patchblox.com/security/cve/CVE-2024-1550",
      "title": "Mozilla Firefox ESR and 5 others: Improper Restriction of Rendered UI Layers or Frames",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.1,
      "epss": 0.00575,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1549",
      "url": "https://patchblox.com/security/cve/CVE-2024-1549",
      "title": "Mozilla Firefox ESR and 5 others: If a website set a large custom cursor, portions of the cursor could have overlapped with the permission\u2026",
      "priority": "Routine",
      "severity": "IMPORTANT",
      "cvss": 6.1,
      "epss": 0.00529,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-1556",
      "url": "https://patchblox.com/security/cve/CVE-2024-1556",
      "title": "Mozilla Firefox ESR and 3 others: Improper Check for Unusual or Exceptional Conditions",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00474,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-14T02:05:58Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}