CVE-2026-123573
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Nov 08, 2026
Vendor
unknown
Description
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.