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.
Metrics
Affected Vendors & Products
References
History
Mon, 09 Nov 2026 17:30:00 +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 | 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. | |
| Title | Hickory DNS before 0.26.2 DoH Memory Exhaustion via Incomplete Request Bodies | |
| Weaknesses | CWE-770 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-11-08T01:38:11.288Z
Updated: 2026-11-13T03:05:28.038Z
Reserved: 2026-11-06T00:55:55.660Z
Link: CVE-2026-123575
No data.
Status : Deferred
Published: 2026-11-08T02:16:50.600
Modified: 2026-11-13T04:17:37.327
Link: CVE-2026-123575
No data.