{"action":"Upgrade unbound to 1.16.3-1 or later.","affected":[{"fixed":"1.16.3-1","introduced":"0"}],"component":"unbound","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.16.3-1"],"id":"tcs_01M5NGR2YDAB2NHNBGSVR9RVTJ","modified_at":"2026-10-15T08:00:53.354542655Z","published_at":"2022-09-26T14:15:11.007Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-3204","https://security-tracker.debian.org/tracker/CVE-2022-3204"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-3204#Debian:14/unbound","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-3204"}],"summary":"A vulnerability named 'Non-Responsive Delegation Attack' (NRDelegation Attack) has been discovered in various DNS resolving software. The NRDelegation Attack works by having a malicious delegation wit"}