{
  "cveId": "CVE-2018-5187",
  "url": "https://patchblox.com/security/cve/CVE-2018-5187",
  "summary": "CVE-2018-5187 is fixed in 4 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: Memory safety bugs present in Firefox 60 and Firefox ESR 60",
  "description": "Memory safety bugs present in Firefox 60 and Firefox ESR 60. 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 Thunderbird \u0026lt; 60, Firefox ESR \u0026lt; 60.1, and Firefox \u0026lt; 61.",
  "published": "2018-06-26T17:00:00Z",
  "severity": "Medium",
  "epss": 0.0298,
  "epssPercentile": 0.87361,
  "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"
    }
  ],
  "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"
  }
}