{"action":"Upgrade pdns-recursor to 5.4.3-1 or later.","affected":[{"fixed":"5.4.3-1","introduced":"0"}],"component":"pdns-recursor","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.4.3-1"],"id":"tcs_01M5NS0EMD74KC89GDAH6K9TPR","modified_at":"2026-10-01T03:03:04.890947923Z","published_at":"2026-06-25T14:16:39.760Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-42390","https://security-tracker.debian.org/tracker/CVE-2026-42390"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-42390#Debian:14/pdns-recursor","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-42390"}],"summary":"An invalid zone might pass ZONEMD validation while it should not. This is only relevant if ZoneToCache is configured with ZONEMD validation."}