{
  "fix": "Mozilla Firefox (en-US) 112.0",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox-112.0",
  "summary": "Mozilla Firefox (en-US) 112.0, released April 12, 2023, fixes 18 CVEs in Mozilla Firefox (en-US). None of them is reported as exploited. Patch Radar priority: Urgent. The latest Mozilla Firefox (en-US) is 159.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Mozilla Firefox (en-US) 112.0",
  "released": "2023-04-12T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2023-29542, rated Critical",
  "supported": true,
  "cveCount": 18,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0094,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "Mozilla Firefox (en-US)",
      "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-firefox-en-us",
      "fixedVersion": "112.0",
      "latestVersion": "159.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Mozilla Firefox (en-US)",
    "latestVersion": "159.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/mozilla-firefox-en-us"
  },
  "cves": [
    {
      "cveId": "CVE-2023-29542",
      "url": "https://patchblox.com/security/cve/CVE-2023-29542",
      "title": "Mozilla Firefox and 4 others: A newline in a filename could have been used to bypass the file extension security mechanisms that replace\u2026",
      "priority": "Urgent",
      "cvss": 9.8,
      "epss": 0.0094,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29535",
      "url": "https://patchblox.com/security/cve/CVE-2023-29535",
      "title": "Mozilla Firefox and 4 others: Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly\u2026",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00747,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29541",
      "url": "https://patchblox.com/security/cve/CVE-2023-29541",
      "title": "Mozilla Firefox and 4 others: Improper Encoding or Escaping of Output",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00743,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29539",
      "url": "https://patchblox.com/security/cve/CVE-2023-29539",
      "title": "Mozilla Firefox and 4 others: When handling the filename directive in the Content-Disposition header, the filename would be truncated\u2026",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00737,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29550",
      "url": "https://patchblox.com/security/cve/CVE-2023-29550",
      "title": "Mozilla Firefox and 4 others: Memory safety bugs present in Firefox 111 and Firefox ESR 102.9.",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00708,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29536",
      "url": "https://patchblox.com/security/cve/CVE-2023-29536",
      "title": "Mozilla Firefox and 4 others: An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled\u2026",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00702,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29533",
      "url": "https://patchblox.com/security/cve/CVE-2023-29533",
      "title": "Mozilla Firefox and 4 others: A website could have obscured the fullscreen notification by using a combination of \u003Ccode\u003Ewindow.open\u003C/code\u003E,\u2026",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00569,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29537",
      "url": "https://patchblox.com/security/cve/CVE-2023-29537",
      "title": "Mozilla Firefox and 2 others: Multiple race conditions in the font initialization could have led to memory corruption and execution\u2026",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00556,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29543",
      "url": "https://patchblox.com/security/cve/CVE-2023-29543",
      "title": "Mozilla Firefox and 2 others: Improper Encoding or Escaping of Output",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00526,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29551",
      "url": "https://patchblox.com/security/cve/CVE-2023-29551",
      "title": "Mozilla Firefox and 2 others: Out-of-bounds Write",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00526,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29548",
      "url": "https://patchblox.com/security/cve/CVE-2023-29548",
      "title": "Mozilla Firefox and 4 others: A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result.",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00695,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29545",
      "url": "https://patchblox.com/security/cve/CVE-2023-29545",
      "title": "Mozilla Firefox and 4 others: Similar to CVE-2023-28163, this time when choosing \u0027Save Link As\u0027, suggested filenames containing environment\u2026",
      "priority": "Routine",
      "cvss": 6.5,
      "epss": 0.00584,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29547",
      "url": "https://patchblox.com/security/cve/CVE-2023-29547",
      "title": "Mozilla Firefox and 2 others: When a secure cookie existed in the Firefox cookie jar an insecure cookie for the same domain could have\u2026",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00473,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29544",
      "url": "https://patchblox.com/security/cve/CVE-2023-29544",
      "title": "Mozilla Firefox and 2 others: If multiple instances of resource exhaustion occurred at the incorrect time, the garbage collector could\u2026",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00451,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29538",
      "url": "https://patchblox.com/security/cve/CVE-2023-29538",
      "title": "Mozilla Firefox and 2 others: Under specific circumstances a WebExtension may have received a \u003Ccode\u003Ejar:file:///\u003C/code\u003E URI instead\u2026",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 4.3,
      "epss": 0.004,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29549",
      "url": "https://patchblox.com/security/cve/CVE-2023-29549",
      "title": "Mozilla Firefox and 2 others: Inadequate Encryption Strength",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.0033,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29540",
      "url": "https://patchblox.com/security/cve/CVE-2023-29540",
      "title": "Mozilla Firefox and 2 others: Using a redirect embedded into \u003Ccode\u003EsourceMappingUrls\u003C/code\u003E could allow for navigation to external\u2026",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.1,
      "epss": 0.00315,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29532",
      "url": "https://patchblox.com/security/cve/CVE-2023-29532",
      "title": "Mozilla Firefox and 4 others: A local attacker can trick the Mozilla Maintenance Service into applying an unsigned update file by pointing\u2026",
      "priority": "Routine",
      "cvss": 5.5,
      "epss": 0.00185,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}