{"id":"CVE-2026-123606","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-123606","summary":"The hickory-dns recursor in hickory-recursor 0.25.0-alpha.3 through 0.25.2 and hickory-resolver 0.26.0-alpha.1 before 0.26.2 iterates every out-of-bailiwick NS target lacking glue in…","details":"The hickory-dns recursor in hickory-recursor 0.25.0-alpha.3 through 0.25.2 and hickory-resolver 0.26.0-alpha.1 before 0.26.2 iterates every out-of-bailiwick NS target lacking glue in a referral without any per-query work budget. Remote attackers can serve such referrals to force A and AAAA lookups per target, amplifying traffic against remote servers or exhausting recursor resources.","published":"2026-11-08T02:16:55.583","modified":"2026-11-08T02:16:55.583","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-6h5c-jjg5-wj59"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/hickory-dns-recursor-0.25.0-alpha.3-through-0.25.2-glueless-ns-referral-amplification"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-08T02:16:55.583"}}