{"id":"CVE-2018-6849","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.","modified":"2026-04-10T04:11:21.241664Z","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/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/duckduckgo/android","events":[{"introduced":"0"},{"last_affected":"b6aa866a608e59de2ff12b0e9879c16263fa407b"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"4.2.0"}]}}],"versions":["0.1.0","0.10.0","0.2.0","0.3.0","0.4.0","0.5.0","0.6.0","0.7.0","0.8.0","0.9.0","4.0.0","4.0.1","4.0.10","4.0.11","4.0.2","4.0.3","4.0.4","4.0.6","4.0.7","4.0.8","4.0.9","4.1.0","4.1.1","4.1.2","4.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6849.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"}]}