{
  "cveId": "CVE-2019-11740",
  "url": "https://patchblox.com/security/cve/CVE-2019-11740",
  "summary": "CVE-2019-11740 is fixed in 11 products on 2 platforms, first by firefox 69.0\u002Bbuild2-0ubuntu0.18.04.1, released September 3, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Firefox ESR: Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR\u2026",
  "description": "Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox \u003C 69, Thunderbird \u003C 68.1, Thunderbird \u003C 60.9, Firefox ESR \u003C 60.9, and Firefox ESR \u003C 68.1.",
  "published": "2019-09-03T17:00:00Z",
  "severity": "Important",
  "cvss": 9.8,
  "epss": 0.01643,
  "epssPercentile": 0.7656,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2019-11740",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-US)",
      "fixedVersion": "78.0esr",
      "fix": "Mozilla Firefox ESR (en-US) 78.0esr",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr-78.0esr",
      "released": "2020-06-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "RHEL 8",
      "fixedVersion": "0:68.1.0-1.el8_0",
      "fix": "RHSA-2019:2663",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2663",
      "released": "2019-09-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "69.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox 69.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-69.0-build2-0ubuntu0.18.04.1",
      "released": "2019-09-03T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "ol 8",
      "fixedVersion": "0:68.1.0-1.0.1.el8_0",
      "fix": "ELSA-2019-2663",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2663",
      "released": "2019-09-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-geckodriver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "69.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-geckodriver 69.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-geckodriver-69.0-build2-0ubuntu0.18.04.1",
      "released": "2019-09-03T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "69.0\u002Bbuild2-0ubuntu0.18.04.1",
      "fix": "firefox-mozsymbols 69.0\u002Bbuild2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-69.0-build2-0ubuntu0.18.04.1",
      "released": "2019-09-03T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "RHEL 8",
      "fixedVersion": "0:60.9.0-2.el8_0",
      "fix": "RHSA-2019:2774",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2774",
      "released": "2019-09-16T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "thunderbird 1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-60.9.0-build1-0ubuntu0.18.04.1",
      "released": "2019-09-27T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "ol 8",
      "fixedVersion": "0:60.9.0-2.0.1.el8_0",
      "fix": "ELSA-2019-2774",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2774",
      "released": "2019-09-17T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-globalmenu",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "thunderbird-globalmenu 1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-globalmenu-1-60.9.0-build1-0ubuntu0.18.04.1",
      "released": "2019-09-27T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "thunderbird-gnome-support 1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-60.9.0-build1-0ubuntu0.18.04.1",
      "released": "2019-09-27T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "thunderbird-mozsymbols 1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-60.9.0-build1-0ubuntu0.18.04.1",
      "released": "2019-09-27T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "xul-ext-calendar-timezones 1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-60.9.0-build1-0ubuntu0.18.04.1",
      "released": "2019-09-27T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "xul-ext-gdata-provider 1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-60.9.0-build1-0ubuntu0.18.04.1",
      "released": "2019-09-27T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "fix": "xul-ext-lightning 1:60.9.0\u002Bbuild1-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-lightning-1-60.9.0-build1-0ubuntu0.18.04.1",
      "released": "2019-09-27T11:15:00Z"
    }
  ],
  "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"
  }
}