{
  "cveId": "CVE-2017-7813",
  "url": "https://patchblox.com/security/cve/CVE-2017-7813",
  "summary": "CVE-2017-7813 is fixed in 4 products on 1 platform, first by firefox 56.0\u002Bbuild6-0ubuntu1, released October 1, 2017. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "firefox: Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer...",
  "description": "Inside the JavaScript parser, a cast of an integer to a narrower type can result in data read from outside the buffer being parsed. This usually results in a non-exploitable crash, but can leak a limited amount of information from memory if it matches JavaScript identifier syntax. This vulnerability affects Firefox \u0026lt; 56.",
  "published": "2017-10-01T17:00:00Z",
  "severity": "Medium",
  "epss": 0.01564,
  "epssPercentile": 0.754,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "56.0\u002Bbuild6-0ubuntu1",
      "fix": "firefox 56.0\u002Bbuild6-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-56.0-build6-0ubuntu1",
      "released": "2017-10-01T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-globalmenu",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "56.0\u002Bbuild6-0ubuntu1",
      "fix": "firefox-globalmenu 56.0\u002Bbuild6-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-globalmenu-56.0-build6-0ubuntu1",
      "released": "2017-10-01T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "56.0\u002Bbuild6-0ubuntu1",
      "fix": "firefox-mozsymbols 56.0\u002Bbuild6-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-56.0-build6-0ubuntu1",
      "released": "2017-10-01T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-testsuite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "56.0\u002Bbuild6-0ubuntu1",
      "fix": "firefox-testsuite 56.0\u002Bbuild6-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-testsuite-56.0-build6-0ubuntu1",
      "released": "2017-10-01T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}