{"id":"DEBIAN-CVE-2026-33596","details":"A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses by sending a flood of perfectly timed queries that are routed to a TCP-only or DNS over TLS backend.","modified":"2026-09-14T17:03:08.006268664Z","published":"2026-04-22T14:16:54.073Z","upstream":["CVE-2026-33596"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-33596"}],"affected":[{"package":{"name":"dnsdist","ecosystem":"Debian:12","purl":"pkg:deb/debian/dnsdist?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.3-2","1.8.0-1","1.8.1-1","1.8.2-1","1.8.2-2","1.8.2-3","1.8.3-1","1.8.3-2","1.8.3-3","1.9.10-1","1.9.3-1","1.9.4-1","1.9.5-1","1.9.6-1","1.9.8-1","1.9.9-1","2.0.0-1","2.0.0-2","2.0.0-3","2.0.0-4","2.0.0-5","2.0.0-6","2.0.0~rc1-1","2.0.0~rc1-2","2.0.0~rc2-1","2.0.1-1","2.0.2-1","2.0.3-1","2.0.4-1","2.0.5-1","2.0.5-2","2.0.5-3","2.0.6-1","2.1.0-1","2.1.0-2","2.1.1-1","2.1.2-1"],"ecosystem_specific":{"urgency":"end-of-life"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-33596.json"}},{"package":{"name":"dnsdist","ecosystem":"Debian:13","purl":"pkg:deb/debian/dnsdist?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.14-0+deb13u1"}]}],"versions":["1.9.10-1","1.9.10-1+deb13u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-33596.json"}},{"package":{"name":"dnsdist","ecosystem":"Debian:14","purl":"pkg:deb/debian/dnsdist?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.4-1"}]}],"versions":["1.9.10-1","2.0.0-1","2.0.0-2","2.0.0-3","2.0.0-4","2.0.0-5","2.0.0-6","2.0.0~rc1-1","2.0.0~rc1-2","2.0.0~rc2-1","2.0.1-1","2.0.2-1","2.0.3-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-33596.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}