{"id":"CVE-2026-123573","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-123573","summary":"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…","details":"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.","published":"2026-11-08T01:38:09.961Z","modified":"2026-11-08T01:38:09.961Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/hickory-dns/hickory-dns/security/advisories/GHSA-wgfr-mphw-j5g4"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/hickory-dns-from-0.20.1-before-0.26.2-panic-in-svcb-https-zone-file-parser"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-08T01:38:09.961Z"}}