{"id":"CVE-2026-123589","published":"2026-11-08T02:16:52.950","lastModified":"2026-11-10T22:15:59.797","description":"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.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cwes":["CWE-400"],"vendors":[],"products":[],"references":[{"url":"https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-g8wg-4mwh-fjfv","tags":[]},{"url":"https://www.vulncheck.com/advisories/hickory-dns-before-0.26.2-denial-of-service-via-missing-dns-over-quic-request-read-timeout","tags":[]}],"exploitRefs":[{"url":"https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-g8wg-4mwh-fjfv","tags":[]}],"hasPoc":true,"ai":null}