{
  "fix": "firefox 117.0\u002Bbuild2-0ubuntu0.20.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-firefox-117.0-build2-0ubuntu0.20.04.1",
  "summary": "firefox 117.0\u002Bbuild2-0ubuntu0.20.04.1, released August 29, 2023, fixes 11 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 117.0\u002Bbuild2-0ubuntu0.20.04.1 for Ubuntu 20.04.3 LTS (focal)",
  "released": "2023-08-29T17:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-4584, high severity",
  "supported": false,
  "cveCount": 11,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00804,
  "maxCvss": 8.8,
  "appliesTo": [
    {
      "product": "firefox",
      "productUrl": "https://patchblox.com/security/product/linux/firefox",
      "release": "Ubuntu 20.04.3 LTS (focal)",
      "fixedVersion": "117.0\u002Bbuild2-0ubuntu0.20.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-4584",
      "url": "https://patchblox.com/security/cve/CVE-2023-4584",
      "title": "Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00804,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4585",
      "url": "https://patchblox.com/security/cve/CVE-2023-4585",
      "title": "Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00774,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4583",
      "url": "https://patchblox.com/security/cve/CVE-2023-4583",
      "title": "Browsing Context potentially not cleared when closing Private Window",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00685,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4574",
      "url": "https://patchblox.com/security/cve/CVE-2023-4574",
      "title": "Memory corruption in IPC ColorPickerShownCallback",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00663,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4575",
      "url": "https://patchblox.com/security/cve/CVE-2023-4575",
      "title": "Memory corruption in IPC FilePickerShownCallback",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00657,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4577",
      "url": "https://patchblox.com/security/cve/CVE-2023-4577",
      "title": "Memory corruption in JIT UpdateRegExpStatics",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00652,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4573",
      "url": "https://patchblox.com/security/cve/CVE-2023-4573",
      "title": "Memory corruption in IPC CanvasTranslator",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00632,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4578",
      "url": "https://patchblox.com/security/cve/CVE-2023-4578",
      "title": "Error reporting methods in SpiderMonkey could have triggered an Out of Memory Exception",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00622,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4581",
      "url": "https://patchblox.com/security/cve/CVE-2023-4581",
      "title": "XLL file extensions were downloadable without warnings",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00574,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4580",
      "url": "https://patchblox.com/security/cve/CVE-2023-4580",
      "title": "Push notifications saved to disk unencrypted",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 8.8,
      "epss": 0.00422,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4579",
      "url": "https://patchblox.com/security/cve/CVE-2023-4579",
      "title": "Persisted search terms were formatted as URLs",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 3.1,
      "epss": 0.00451,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-14T20:11:19Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}