{"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_01M5NRQX2BREKA1BJT0N5J7P50","modified_at":"2026-10-27T10:00:37.198124665Z","published_at":"2026-04-22T10:16:52.107Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-33600","https://security-tracker.debian.org/tracker/CVE-2026-33600"],"severity":{"label":"medium","score":4.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-33600#Debian:14/pdns-recursor","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-33600"}],"summary":"An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service."}