{
  "fix": "firefox 116.0\u002Bbuild2-0ubuntu0.20.04.2",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-116.0-build2-0ubuntu0.20.04.2",
  "summary": "firefox 116.0\u002Bbuild2-0ubuntu0.20.04.2, released July 31, 2023, fixes 8 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 116.0\u002Bbuild2-0ubuntu0.20.04.2 for Ubuntu 20.04 LTS (focal)",
  "released": "2023-07-31T17:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-4050, high severity",
  "supported": false,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.12584,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "firefox",
      "productUrl": "https://patchblox.com/security/product/linux/firefox",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "116.0\u002Bbuild2-0ubuntu0.20.04.2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-4050",
      "url": "https://patchblox.com/security/cve/CVE-2023-4050",
      "title": "Mozilla Firefox ESR and 3 others: In some cases, an untrusted input stream was copied to a stack buffer without checking its size.",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.12584,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4046",
      "url": "https://patchblox.com/security/cve/CVE-2023-4046",
      "title": "Mozilla Firefox ESR and 3 others: Allocation of Resources Without Limits or Throttling",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.01125,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4048",
      "url": "https://patchblox.com/security/cve/CVE-2023-4048",
      "title": "Mozilla Firefox ESR and 3 others: An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low\u2026",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.00931,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4053",
      "url": "https://patchblox.com/security/cve/CVE-2023-4053",
      "title": "Full screen notification obscured by external program",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.8,
      "epss": 0.00768,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4051",
      "url": "https://patchblox.com/security/cve/CVE-2023-4051",
      "title": "Full screen notification obscured by file open dialog",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.0066,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4049",
      "url": "https://patchblox.com/security/cve/CVE-2023-4049",
      "title": "Mozilla Firefox ESR and 3 others: Race conditions in reference counting code were found through code inspection.",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 7.5,
      "epss": 0.00634,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4047",
      "url": "https://patchblox.com/security/cve/CVE-2023-4047",
      "title": "Mozilla Firefox ESR and 3 others: Cross-Site Request Forgery (CSRF)",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00632,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4045",
      "url": "https://patchblox.com/security/cve/CVE-2023-4045",
      "title": "Mozilla Firefox ESR and 3 others: Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image\u2026",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.5,
      "epss": 0.00589,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T14:02:24Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}