HIGH 8.7 NVD
CVE-2026-123608
Hickory DNS hickory-proto from 0.3.1 before 0.26.1 contains a denial of service vulnerability in BinEncoder that allows remote attackers to exhaust CPU through
Hickory DNS hickory-proto from 0.3.1 before 0.26.1 contains a denial of service vulnerability in BinEncoder that allows remote attackers to exhaust CPU through quadratic-time name compression. Attackers can send malicious DNS messages with many records that add many candidate labels and trigger repeated linear scans during encoding, amplifying CPU exhaustion.
References
- https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-q2qq-hmj6-3wpp
- https://www.vulncheck.com/advisories/hickory-dns-hickory-proto-0.3.1-before-0.26.1-cpu-exh
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-11-08 via NVD.
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