{"id":"DEBIAN-CVE-2018-5740","details":"\"deny-answer-aliases\" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0-\u003e9.8.8, 9.9.0-\u003e9.9.13, 9.10.0-\u003e9.10.8, 9.11.0-\u003e9.11.4, 9.12.0-\u003e9.12.2, 9.13.0-\u003e9.13.2.","modified":"2026-09-01T20:03:59.724352685Z","published":"2019-01-16T20:29:01.017Z","upstream":["CVE-2018-5740"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2018-5740"}],"affected":[{"package":{"name":"bind9","ecosystem":"Debian:12","purl":"pkg:deb/debian/bind9?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.4.P1+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-5740.json"}},{"package":{"name":"bind9","ecosystem":"Debian:13","purl":"pkg:deb/debian/bind9?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.4.P1+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-5740.json"}},{"package":{"name":"bind9","ecosystem":"Debian:14","purl":"pkg:deb/debian/bind9?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.4.P1+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-5740.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}