{
  "cveId": "CVE-2018-12376",
  "url": "https://patchblox.com/security/cve/CVE-2018-12376",
  "summary": "CVE-2018-12376 is fixed in 12 products on 1 platform, first by firefox 62.0\u002Bbuild2-0ubuntu0.18.04.3, released September 5, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "firefox: Memory safety bugs present in Firefox 61 and Firefox ESR 60.1",
  "description": "Memory safety bugs present in Firefox 61 and Firefox ESR 60.1. 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 \u0026lt; 62, Firefox ESR \u0026lt; 60.2, and Thunderbird \u0026lt; 60.2.1.",
  "published": "2018-09-05T17:00:00Z",
  "severity": "Medium",
  "epss": 0.03146,
  "epssPercentile": 0.88003,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "62.0\u002Bbuild2-0ubuntu0.18.04.3",
      "fix": "firefox 62.0\u002Bbuild2-0ubuntu0.18.04.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-62.0-build2-0ubuntu0.18.04.3",
      "released": "2018-09-05T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-globalmenu",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "62.0\u002Bbuild2-0ubuntu0.18.04.3",
      "fix": "firefox-globalmenu 62.0\u002Bbuild2-0ubuntu0.18.04.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-globalmenu-62.0-build2-0ubuntu0.18.04.3",
      "released": "2018-09-05T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "62.0\u002Bbuild2-0ubuntu0.18.04.3",
      "fix": "firefox-mozsymbols 62.0\u002Bbuild2-0ubuntu0.18.04.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-62.0-build2-0ubuntu0.18.04.3",
      "released": "2018-09-05T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-testsuite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "62.0\u002Bbuild2-0ubuntu0.18.04.3",
      "fix": "firefox-testsuite 62.0\u002Bbuild2-0ubuntu0.18.04.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-testsuite-62.0-build2-0ubuntu0.18.04.3",
      "released": "2018-09-05T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "fix": "thunderbird 1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-1-60.2.1-build1-0ubuntu0.18.04.2",
      "released": "2019-02-28T10:29:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-globalmenu",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "fix": "thunderbird-globalmenu 1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-globalmenu-1-60.2.1-build1-0ubuntu0.18.04.2",
      "released": "2019-02-28T10:29:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-gnome-support",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "fix": "thunderbird-gnome-support 1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-gnome-support-1-60.2.1-build1-0ubuntu0.18.04.2",
      "released": "2019-02-28T10:29:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "fix": "thunderbird-mozsymbols 1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-mozsymbols-1-60.2.1-build1-0ubuntu0.18.04.2",
      "released": "2019-02-28T10:29:00Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird-testsuite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "fix": "thunderbird-testsuite 1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-thunderbird-testsuite-1-60.2.1-build1-0ubuntu0.18.04.2",
      "released": "2019-02-28T10:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-calendar-timezones",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "fix": "xul-ext-calendar-timezones 1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-calendar-timezones-1-60.2.1-build1-0ubuntu0.18.04.2",
      "released": "2019-02-28T10:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-gdata-provider",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "fix": "xul-ext-gdata-provider 1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-gdata-provider-1-60.2.1-build1-0ubuntu0.18.04.2",
      "released": "2019-02-28T10:29:00Z"
    },
    {
      "platform": "linux",
      "product": "xul-ext-lightning",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "fix": "xul-ext-lightning 1:60.2.1\u002Bbuild1-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-xul-ext-lightning-1-60.2.1-build1-0ubuntu0.18.04.2",
      "released": "2019-02-28T10:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}