{"action":"Upgrade unbound to 1.9.6-1 or later.","affected":[{"fixed":"1.9.6-1","introduced":"0"}],"component":"unbound","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.9.6-1"],"id":"tcs_01M5NE5EQF12SWG6QKB9WKTWSW","modified_at":"2026-09-21T07:02:54.824194276Z","published_at":"2021-04-27T06:15:07.587Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-25036","https://security-tracker.debian.org/tracker/CVE-2019-25036"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-25036#Debian:13/unbound","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-25036"}],"summary":"Unbound before 1.9.5 allows an assertion failure and denial of service in synth_cname. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound in"}