{"id":"CVE-2017-15105","details":"A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.","modified":"2026-03-20T03:17:56.341744Z","published":"2018-01-23T16:29:00.273Z","related":["MGASA-2018-0091","openSUSE-SU-2024:11005-1"],"references":[{"type":"ADVISORY","url":"https://usn.ubuntu.com/3673-1/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/102817"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"},{"type":"FIX","url":"https://unbound.net/downloads/CVE-2017-15105.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nlnetlabs/unbound","events":[{"introduced":"0"},{"fixed":"df881fedb30858ae8007c4629ed9b52243c5b83a"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.6.8"}]}}],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"17.10"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-15105.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}