HIGH 8.7 NVD
CVE-2026-123573
hickory-dns from 0.20.1 before 0.26.2 contains a denial of service vulnerability in the hickory-proto SVCB and HTTPS record presentation format parser. Attacker
hickory-dns from 0.20.1 before 0.26.2 contains a denial of service vulnerability in the hickory-proto SVCB and HTTPS record presentation format parser. Attackers can supply untrusted zone files where only a single or double quote replaces a service parameter value, triggering a panic that crashes the parsing process.
References
- https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-wgfr-mphw-j5g4
- https://www.vulncheck.com/advisories/hickory-dns-from-0.20.1-before-0.26.2-panic-in-svcb-h
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-11-08 via NVD.
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