{
  "cveId": "CVE-2024-9391",
  "url": "https://patchblox.com/security/cve/CVE-2024-9391",
  "summary": "CVE-2024-9391 is fixed in 104 products on 1 platform, first by Firefox Developer Edition (en-US) 131.0, released September 3, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Mozilla Firefox ESR and 4 others: Authentication Bypass by Spoofing",
  "description": "A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode.  This may allow spoofing of other sites as the address bar is no longer visible.\n*This bug only affects Firefox Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox \u003C 131.",
  "published": "2024-10-01T16:15:10Z",
  "severity": "",
  "cvss": 6.5,
  "cwe": "CWE-290: Authentication Bypass by Spoofing",
  "epss": 0.0028,
  "epssPercentile": 0.20593,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2024-9391",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Firefox Developer Edition (en-US)",
      "fixedVersion": "131.0",
      "fix": "Firefox Developer Edition (en-US) 131.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition-131.0",
      "released": "2024-09-03T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox (en-US)",
      "fixedVersion": "131.0",
      "fix": "Mozilla Firefox (en-US) 131.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-131.0",
      "released": "2024-10-02T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ach)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (ach) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ach-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (af)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (af) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.af-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (an)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (an) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.an-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ar)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (ar) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ar-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ast)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (ast) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ast-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (az)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (az) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.az-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (be)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (be) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.be-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (bg)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (bg) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.bg-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (bn)",
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      "fix": "Mozilla Firefox ESR (bn) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.bn-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (br)",
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      "fix": "Mozilla Firefox ESR (br) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.br-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (bs)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (bs) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.bs-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
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      "fix": "Mozilla Firefox ESR (ca) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ca-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ca-valencia)",
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      "fix": "Mozilla Firefox ESR (ca-valencia) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ca-valencia-140.3.0",
      "released": "2025-09-16T00:00:00Z"
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      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.cak-140.3.0",
      "released": "2025-09-16T00:00:00Z"
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    {
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      "fix": "Mozilla Firefox ESR (cs) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.cs-140.3.0",
      "released": "2025-09-16T00:00:00Z"
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      "product": "Mozilla Firefox ESR (cy)",
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      "fix": "Mozilla Firefox ESR (cy) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.cy-140.3.0",
      "released": "2025-09-16T00:00:00Z"
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    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (da)",
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      "fix": "Mozilla Firefox ESR (da) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.da-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (de)",
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      "fix": "Mozilla Firefox ESR (de) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.de-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (dsb)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (dsb) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.dsb-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (el)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (el) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.el-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-CA)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (en-CA) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.en-ca-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-GB)",
      "fixedVersion": "140.3.0",
      "fix": "Mozilla Firefox ESR (en-GB) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.en-gb-140.3.0",
      "released": "2025-09-16T00:00:00Z"
    },
    {
      "platform": "windows-app",
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      "fix": "Mozilla Firefox ESR (en-US) 140.3.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr-140.3.0",
      "released": "2025-09-16T00:00:00Z"
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    {
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      "product": "Mozilla Firefox ESR (eo)",
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      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.eo-140.3.0",
      "released": "2025-09-16T00:00:00Z"
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    {
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      "released": "2025-09-16T00:00:00Z"
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    {
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      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.es-mx-140.3.0",
      "released": "2025-09-16T00:00:00Z"
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      "fix": "Mozilla Firefox ESR (eu) 140.3.0",
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    {
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      "released": "2025-09-16T00:00:00Z"
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    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (ga-IE)",
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      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr.ga-ie-140.3.0",
      "released": "2025-09-16T00:00:00Z"
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    {
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      "released": "2025-09-16T00:00:00Z"
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    {
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  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}