{"action":"Upgrade unbound to 1.26.1-0+deb13u1 or later.","affected":[{"fixed":"1.26.1-0+deb13u1","introduced":"0"}],"component":"unbound","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.26.1-0+deb13u1"],"id":"tcs_01M5NSPJHF6DT9E87Z09FRZYJM","modified_at":"2026-10-25T10:00:35.634920819Z","published_at":"2026-07-22T14:17:20.503Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-50251","https://security-tracker.debian.org/tracker/CVE-2026-50251"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-50251#Debian:13/unbound","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-50251"}],"summary":"In NLnet Labs Unbound up to and including version 1.25.1, when 'unwanted-reply-threshold' is enabled (set to any value greater than zero), glue records of 0.0.0.0/::0 can short-circuit Unbound, on sys"}