{"id":"UBUNTU-CVE-2016-3698","details":"libndp before 1.6, as used in NetworkManager, does not properly validate the origin of Neighbor Discovery Protocol (NDP) messages, which allows remote attackers to conduct man-in-the-middle attacks or cause a denial of service (network connectivity disruption) by advertising a node as a router from a non-local network.","modified":"2026-04-22T10:42:16.035810Z","published":"2016-05-17T00:00:00Z","related":["USN-2980-1"],"upstream":["CVE-2016-3698"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-3698"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2980-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-3698"}],"affected":[{"package":{"name":"libndp","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libndp@1.4-2ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4-2ubuntu0.16.04.1"}]}],"versions":["1.4-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.4-2ubuntu0.16.04.1","binary_name":"libndp-tools"},{"binary_version":"1.4-2ubuntu0.16.04.1","binary_name":"libndp0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-3698.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}