{
  "fix": "thunderbird 1:102.15.0\u002Bbuild1-0ubuntu0.22.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-thunderbird-1-102.15.0-build1-0ubuntu0.22.04.1",
  "summary": "thunderbird 1:102.15.0\u002Bbuild1-0ubuntu0.22.04.1, released August 1, 2023, fixes 10 CVEs in thunderbird. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "package",
  "title": "thunderbird 1:102.15.0\u002Bbuild1-0ubuntu0.22.04.1 for Ubuntu 22.04.1 LTS (jammy)",
  "released": "2023-08-01T17:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2023-4056, rated Critical",
  "supported": true,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.12584,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "thunderbird",
      "productUrl": "https://patchblox.com/security/product/linux/thunderbird",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1:102.15.0\u002Bbuild1-0ubuntu0.22.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-4056",
      "url": "https://patchblox.com/security/cve/CVE-2023-4056",
      "title": "Mozilla Firefox ESR and 3 others: Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0,\u2026",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00948,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "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-2023-4055",
      "url": "https://patchblox.com/security/cve/CVE-2023-4055",
      "title": "Mozilla Firefox ESR and 3 others: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00733,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-3417",
      "url": "https://patchblox.com/security/cve/CVE-2023-3417",
      "title": "File Extension Spoofing using the Text Direction Override Character",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00669,
      "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
    },
    {
      "cveId": "CVE-2023-4054",
      "url": "https://patchblox.com/security/cve/CVE-2023-4054",
      "title": "Mozilla Firefox ESR and 4 others: When opening appref-ms files, Firefox did not warn the user that these files may contain malicious code.",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 5.5,
      "epss": 0.00208,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-14T14:09:31Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}