GHSA-5p73-2jm7-2cmqHighCVSS 7.5
The hickory-dns recursor in hickory-recursor 0.25.0-alpha.3 through 0.25.2 and hickory-resolver 0...
🔗 CVE IDs covered (1)
📋 Description
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.
🔗 References (4)
- https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-6h5c-jjg5-wj59
- https://nvd.nist.gov/vuln/detail/CVE-2026-123606
- https://www.vulncheck.com/advisories/hickory-dns-recursor-0.25.0-alpha.3-through-0.25.2-glueless-ns-referral-amplification
- https://github.com/advisories/GHSA-5p73-2jm7-2cmq