{
  "cveId": "CVE-2018-12363",
  "url": "https://patchblox.com/security/cve/CVE-2018-12363",
  "summary": "CVE-2018-12363 is fixed in 12 products on 1 platform, first by firefox 61.0\u002Bbuild3-0ubuntu0.18.04.1, released June 26, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "firefox: A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, result...",
  "description": "A use-after-free vulnerability can occur when script uses mutation events to move DOM nodes between documents, resulting in the old document that held the node being freed but the node still having a pointer referencing it. This results in a potentially exploitable crash. This vulnerability affects Thunderbird \u0026lt; 60, Thunderbird \u0026lt; 52.9, Firefox ESR \u0026lt; 60.1, Firefox ESR \u0026lt; 52.9, and Firefox \u0026lt; 61.",
  "published": "2018-06-26T17:00:00Z",
  "severity": "Medium",
  "epss": 0.03096,
  "epssPercentile": 0.87815,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "61.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox 61.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-61.0-build3-0ubuntu0.18.04.1",
      "released": "2018-06-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-globalmenu",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "61.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox-globalmenu 61.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-globalmenu-61.0-build3-0ubuntu0.18.04.1",
      "released": "2018-06-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "61.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox-mozsymbols 61.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-61.0-build3-0ubuntu0.18.04.1",
      "released": "2018-06-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-testsuite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "61.0\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "firefox-testsuite 61.0\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-testsuite-61.0-build3-0ubuntu0.18.04.1",
      "released": "2018-06-26T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "thunderbird 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-52.9.1-build3-0ubuntu0.18.04.1",
      "released": "2018-07-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-globalmenu",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "thunderbird-globalmenu 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-globalmenu-1-52.9.1-build3-0ubuntu0.18.04.1",
      "released": "2018-07-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "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",
      "released": "2018-07-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "thunderbird-mozsymbols 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-52.9.1-build3-0ubuntu0.18.04.1",
      "released": "2018-07-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-testsuite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "thunderbird-testsuite 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-testsuite-1-52.9.1-build3-0ubuntu0.18.04.1",
      "released": "2018-07-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "xul-ext-calendar-timezones 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-52.9.1-build3-0ubuntu0.18.04.1",
      "released": "2018-07-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "xul-ext-gdata-provider 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-52.9.1-build3-0ubuntu0.18.04.1",
      "released": "2018-07-04T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "fix": "xul-ext-lightning 1:52.9.1\u002Bbuild3-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-lightning-1-52.9.1-build3-0ubuntu0.18.04.1",
      "released": "2018-07-04T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}