{"id":"DEBIAN-CVE-2026-123589","details":"The DNS-over-QUIC (DoQ) server in hickory-server (hickory-dns) before 0.26.2 does not apply any timeout when reading a request message from a QUIC stream, bypassing all configured timeouts. A remote unauthenticated client can open a connection and a request stream and hold it open indefinitely, consuming server resources and causing a denial of service.","modified":"2026-11-08T16:00:07.875997429Z","published":"2026-11-08T02:16:52.950Z","upstream":["CVE-2026-123589"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-123589"}],"affected":[{"package":{"name":"rust-hickory-server","ecosystem":"Debian:13","purl":"pkg:deb/debian/rust-hickory-server?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.24.4-2","0.25.2-1","0.25.2-2","0.25.2-3","0.25.2-4","0.26.1-1","0.26.1-2","0.26.3-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-123589.json"}},{"package":{"name":"rust-hickory-server","ecosystem":"Debian:14","purl":"pkg:deb/debian/rust-hickory-server?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.3-1"}]}],"versions":["0.24.4-2","0.25.2-1","0.25.2-2","0.25.2-3","0.25.2-4","0.26.1-1","0.26.1-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-123589.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}