{"action":"Upgrade pdns-recursor to 4.1.8-1 or later.","affected":[{"fixed":"4.1.8-1","introduced":"0"}],"component":"pdns-recursor","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.1.8-1"],"id":"tcs_01M5ND598YTPZW8S17JT5PVC0A","modified_at":"2026-10-23T18:03:01.377064609Z","published_at":"2018-12-03T14:29:00.257Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-16855","https://security-tracker.debian.org/tracker/CVE-2018-16855"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-16855#Debian:14/pdns-recursor","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-16855"}],"summary":"An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packe"}