{
  "fix": "thunderbird-gnome-support 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-52.9.1-build3-0ubuntu0.18.04.1",
  "summary": "thunderbird-gnome-support 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1, released July 4, 2018, fixes 11 CVEs in thunderbird-gnome-support. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "thunderbird-gnome-support 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2018-07-04T17:00:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 11 CVEs, none high severity",
  "supported": false,
  "cveCount": 11,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.04647,
  "appliesTo": [
    {
      "product": "thunderbird-gnome-support",
      "productUrl": "https://patchblox.com/security/product/linux/thunderbird-gnome-support",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2018-12359",
      "url": "https://patchblox.com/security/cve/CVE-2018-12359",
      "title": "firefox: A buffer overflow can occur when rendering canvas content while adjusting the height and width of the canvas element...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.04647,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-5188",
      "url": "https://patchblox.com/security/cve/CVE-2018-5188",
      "title": "firefox: Memory safety bugs present in Firefox 60, Firefox ESR 60, and Firefox ESR 52.8",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.03945,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-12362",
      "url": "https://patchblox.com/security/cve/CVE-2018-12362",
      "title": "xul-ext-gdata-provider: An integer overflow can occur during graphics operations done by the Supplemental Streaming SIMD Extensions 3 (SSSE3)...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.03767,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-12365",
      "url": "https://patchblox.com/security/cve/CVE-2018-12365",
      "title": "firefox: A compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file syst...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.03158,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-12366",
      "url": "https://patchblox.com/security/cve/CVE-2018-12366",
      "title": "firefox: An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.03158,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-12360",
      "url": "https://patchblox.com/security/cve/CVE-2018-12360",
      "title": "firefox: A use-after-free vulnerability can occur when deleting an input element during a mutation event handler triggered by...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.0311,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-12363",
      "url": "https://patchblox.com/security/cve/CVE-2018-12363",
      "title": "firefox: A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, result...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.03096,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-12372",
      "url": "https://patchblox.com/security/cve/CVE-2018-12372",
      "title": "thunderbird-mozsymbols: Decrypted S/MIME parts, when included in HTML crafted for an attack, can leak plaintext when included in a a HTML rep...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02469,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-12373",
      "url": "https://patchblox.com/security/cve/CVE-2018-12373",
      "title": "thunderbird: dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/fo...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.02396,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-12374",
      "url": "https://patchblox.com/security/cve/CVE-2018-12374",
      "title": "thunderbird: Plaintext of decrypted emails can leak through by user submitting an embedded form by pressing enter key within a tex...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.02042,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2018-12364",
      "url": "https://patchblox.com/security/cve/CVE-2018-12364",
      "title": "firefox: NPAPI plugins, such as Adobe Flash, can send non-simple cross-origin requests, bypassing CORS by making a same-origin...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01821,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T20:04:13Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}