HIGH 8.7 NVD
CVE-2026-123574
The zone file parser in the hickory-proto crate of Hickory DNS 0.24.0 before 0.26.2 panics when a single token in a zone file is 4096 bytes or longer. Attackers
The zone file parser in the hickory-proto crate of Hickory DNS 0.24.0 before 0.26.2 panics when a single token in a zone file is 4096 bytes or longer. Attackers who can supply untrusted zone files to an application using the parser can trigger the panic to cause a denial of service.
References
- https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-4rph-pmrw-mwpw
- https://www.vulncheck.com/advisories/hickory-dns-0.24.0-before-0.26.2-denial-of-service-vi
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-11-08 via NVD.
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