{"id":"CVE-2026-123575","published":"2026-11-08T02:16:50.600","lastModified":"2026-11-10T22:15:59.797","description":"Hickory DNS before 0.26.2 contains a resource exhaustion vulnerability in its DNS-over-HTTPS HTTP/2 server that lacks sufficient timeouts or limits for incomplete request bodies. Remote attackers can open DoH connections, send incomplete request bodies, and hold connections open to exhaust server memory.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-770"],"vendors":[],"products":[],"references":[{"url":"https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-g5xf-qv55-wv37","tags":[]},{"url":"https://www.vulncheck.com/advisories/hickory-dns-before-0.26.2-doh-memory-exhaustion-via-incomplete-request-bodies","tags":[]}],"exploitRefs":[{"url":"https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-g5xf-qv55-wv37","tags":[]}],"hasPoc":true,"ai":null}