{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.4.1-1"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.5.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "61f181d6b872e6f37b04fed790fa903a312a3795"
            }
          ],
          "repo": "https://github.com/cygwin/cygwin",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.",
  "id": "CVE-2016-3067",
  "modified": "2026-04-01T23:08:44.832342923Z",
  "published": "2017-04-21T20:59:00.633Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044"
    },
    {
      "type": "ADVISORY",
      "url": "https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://cygwin.com/ml/cygwin/2016-02/msg00129.html"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}