{"action":"Upgrade bind9 to 1:9.20.26-1 or later.","affected":[{"fixed":"1:9.20.26-1","introduced":"0"}],"component":"bind9","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:9.20.26-1"],"id":"tcs_01M5NQESS91NX6T3XCHR6M4X7B","modified_at":"2026-10-25T09:47:42.963746011Z","published_at":"2026-07-22T15:16:51.963Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-12617","https://security-tracker.debian.org/tracker/CVE-2026-12617"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-12617#Debian:14/bind9","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-12617"}],"summary":"The issue is unexpected program termination based on ordering and/or specific content in responses to queries for CNAME or DNAME, and A records. Specifically, if a client queries for a DNAME and A rec"}