{
  "cveId": "CVE-2017-7831",
  "url": "https://patchblox.com/security/cve/CVE-2017-7831",
  "summary": "CVE-2017-7831 is fixed in 4 products on 1 platform, first by firefox 57.0.1\u002Bbuild2-0ubuntu1, released November 15, 2017. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "firefox: A vulnerability where the security wrapper does not deny access to someexposed properties using the deprecated \u0022_expo...",
  "description": "A vulnerability where the security wrapper does not deny access to someexposed properties using the deprecated \u0022_exposedProps_\u0022 mechanism on proxyobjects. These properties should be explicitly unavailable to proxyobjects. This vulnerability affects Firefox \u003C 57.",
  "published": "2017-11-14T16:00:00Z",
  "severity": "Medium",
  "epss": 0.01557,
  "epssPercentile": 0.75306,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "57.0.1\u002Bbuild2-0ubuntu1",
      "fix": "firefox 57.0.1\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-57.0.1-build2-0ubuntu1",
      "released": "2018-06-11T14:29:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "57.0.1\u002Bbuild2-0ubuntu1",
      "fix": "firefox 57.0.1\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-firefox-57.0.1-build2-0ubuntu1",
      "released": "2017-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "57.0.1\u002Bbuild2-0ubuntu1",
      "fix": "firefox 57.0.1\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-firefox-57.0.1-build2-0ubuntu1",
      "released": "2017-11-15T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-globalmenu",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "57.0.1\u002Bbuild2-0ubuntu1",
      "fix": "firefox-globalmenu 57.0.1\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-globalmenu-57.0.1-build2-0ubuntu1",
      "released": "2018-06-11T14:29:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-mozsymbols",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "57.0.1\u002Bbuild2-0ubuntu1",
      "fix": "firefox-mozsymbols 57.0.1\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-mozsymbols-57.0.1-build2-0ubuntu1",
      "released": "2018-06-11T14:29:00Z"
    },
    {
      "platform": "linux",
      "product": "firefox-testsuite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "57.0.1\u002Bbuild2-0ubuntu1",
      "fix": "firefox-testsuite 57.0.1\u002Bbuild2-0ubuntu1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-firefox-testsuite-57.0.1-build2-0ubuntu1",
      "released": "2018-06-11T14:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}