{"action":"Upgrade pdns-recursor to 4.1.0-1 or later.","affected":[{"fixed":"4.1.0-1","introduced":"0"}],"component":"pdns-recursor","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.1.0-1"],"id":"tcs_01M5NC5PZ33C4EACBG9608XP3M","modified_at":"2026-09-01T20:03:44.413232813Z","published_at":"2018-07-27T15:29:00.343Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-15120","https://security-tracker.debian.org/tracker/CVE-2017-15120"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-15120#Debian:14/pdns-recursor","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-15120"}],"summary":"An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a"}