{"action":"Upgrade pdns-recursor to 5.3.5-1 or later.","affected":[{"fixed":"5.3.5-1","introduced":"0"}],"component":"pdns-recursor","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.3.5-1"],"id":"tcs_01M5NPF31M01RR0K65DH3TMEMF","modified_at":"2026-10-01T03:00:11.845343272Z","published_at":"2026-02-09T15:16:11.360Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-0398","https://security-tracker.debian.org/tracker/CVE-2026-0398"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-0398#Debian:14/pdns-recursor","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-0398"}],"summary":"Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor."}