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.
Metrics
Affected Vendors & Products
References
History
Mon, 09 Nov 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 09 Nov 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Hickory-dns
Hickory-dns hickory-dns |
|
| Vendors & Products |
Hickory-dns
Hickory-dns hickory-dns |
Sun, 08 Nov 2026 01:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Hickory-DNS Recursor 0.25.0-alpha.3 through 0.25.2 Glueless-NS Referral Amplification | |
| Weaknesses | CWE-400 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-11-08T01:38:32.727Z
Updated: 2026-11-09T13:52:33.572Z
Reserved: 2026-11-06T01:02:39.794Z
Link: CVE-2026-123606
Updated: 2026-11-09T13:52:30.410Z
Status : Deferred
Published: 2026-11-08T02:16:55.583
Modified: 2026-11-10T22:15:59.797
Link: CVE-2026-123606
No data.