{"action":"Upgrade mosquitto to 1.6.6-1 or later.","affected":[{"fixed":"1.6.6-1","introduced":"0"}],"component":"mosquitto","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.6.6-1"],"id":"tcs_01M5NDQD5366Y8CF14Y40FZQ6H","modified_at":"2026-09-21T07:01:44.887469150Z","published_at":"2019-09-18T23:15:10.987Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-11778","https://security-tracker.debian.org/tracker/CVE-2019-11778"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-11778#Debian:14/mosquitto","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-11778"}],"summary":"If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets a session expiry interval, and the will delay int"}