{"action":"Upgrade pdns-recursor to 5.4.1-1 or later.","affected":[{"fixed":"5.4.1-1","introduced":"0"}],"component":"pdns-recursor","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.4.1-1"],"id":"tcs_01M5NRQENJBPK095CJDF2FWYMS","modified_at":"2026-10-27T10:00:56.040564972Z","published_at":"2026-04-22T10:16:51.460Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-33258","https://security-tracker.debian.org/tracker/CVE-2026-33258"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-33258#Debian:14/pdns-recursor","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-33258"}],"summary":"By publishing and querying a crafted zone an attacker can cause allocation of large entries in the negative and aggressive NSEC(3) caches."}