{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.2.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "b6aa866a608e59de2ff12b0e9879c16263fa407b"
            }
          ],
          "repo": "https://github.com/duckduckgo/android",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "In the WebRTC component in DuckDuckGo 4.2.0, after visiting a web site that attempts to gather complete client information (such as https://ip.voidsec.com), the browser can disclose a private IP address in a STUN request.",
  "id": "CVE-2018-6849",
  "modified": "2026-04-01T23:08:34.780907466Z",
  "published": "2018-04-01T18:29:00.227Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://datarift.blogspot.com/p/private-ip-leakage-using-webrtc.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://news.ycombinator.com/item?id=16699270"
    },
    {
      "type": "ADVISORY",
      "url": "https://voidsec.com/vpn-leak/"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/rapid7/metasploit-framework/pull/9538"
    },
    {
      "type": "EVIDENCE",
      "url": "https://www.exploit-db.com/exploits/44403/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}