{
  "fix": "Firefox Developer Edition (de) 136.0",
  "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.developeredition.de-136.0",
  "summary": "Firefox Developer Edition (de) 136.0, released February 21, 2025, fixes 14 CVEs in Firefox Developer Edition (de). None of them is reported as exploited. Patch Radar priority: Urgent. The latest Firefox Developer Edition (de) is 151.0, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Firefox Developer Edition (de) 136.0",
  "released": "2025-02-21T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2025-1941, rated Critical",
  "supported": true,
  "cveCount": 14,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00538,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "Firefox Developer Edition (de)",
      "productUrl": "https://patchblox.com/security/product/windows-app/firefox-developer-edition-de",
      "fixedVersion": "136.0",
      "latestVersion": "151.0",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Firefox Developer Edition (de)",
    "latestVersion": "151.0",
    "productUrl": "https://patchblox.com/security/product/windows-app/firefox-developer-edition-de"
  },
  "cves": [
    {
      "cveId": "CVE-2025-1941",
      "url": "https://patchblox.com/security/cve/CVE-2025-1941",
      "title": "Lock screen setting bypass in Firefox Focus for Android",
      "priority": "Urgent",
      "cvss": 9.1,
      "epss": 0.00366,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1931",
      "url": "https://patchblox.com/security/cve/CVE-2025-1931",
      "title": "Use-after-free in WebTransportChild",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00538,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-3030",
      "url": "https://patchblox.com/security/cve/CVE-2025-3030",
      "title": "Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00513,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1942",
      "url": "https://patchblox.com/security/cve/CVE-2025-1942",
      "title": "Disclosure of uninitialized memory when .toUpperCase() causes string to get longer",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.8,
      "epss": 0.00479,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1934",
      "url": "https://patchblox.com/security/cve/CVE-2025-1934",
      "title": "Unexpected GC during RegExp bailout processing",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00453,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1936",
      "url": "https://patchblox.com/security/cve/CVE-2025-1936",
      "title": "Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00447,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1943",
      "url": "https://patchblox.com/security/cve/CVE-2025-1943",
      "title": "Memory safety bugs fixed in Firefox 136 and Thunderbird 136",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.2,
      "epss": 0.00434,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1932",
      "url": "https://patchblox.com/security/cve/CVE-2025-1932",
      "title": "Inconsistent comparator in XSLT sorting led to out-of-bounds access",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00423,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1930",
      "url": "https://patchblox.com/security/cve/CVE-2025-1930",
      "title": "AudioIPC StreamData could trigger a use-after-free in the Browser process",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00401,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1935",
      "url": "https://patchblox.com/security/cve/CVE-2025-1935",
      "title": "Clickjacking the registerProtocolHandler info-bar",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00343,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1933",
      "url": "https://patchblox.com/security/cve/CVE-2025-1933",
      "title": "JIT corruption of WASM i32 return values on 64-bit CPUs",
      "priority": "High",
      "severity": "Medium",
      "cvss": 8.8,
      "epss": 0.00319,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1940",
      "url": "https://patchblox.com/security/cve/CVE-2025-1940",
      "title": "Android Intent confirmation prompt tapjacking using Select options",
      "priority": "High",
      "cvss": 7.1,
      "epss": 0.00247,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1414",
      "url": "https://patchblox.com/security/cve/CVE-2025-1414",
      "title": "Memory safety bugs fixed in Firefox 135.0.1",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00453,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-1939",
      "url": "https://patchblox.com/security/cve/CVE-2025-1939",
      "title": "Tapjacking in Android Custom Tabs using transition animations",
      "priority": "Routine",
      "cvss": 3.9,
      "epss": 0.00187,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}