{"action":"Upgrade mosquitto to 1.5.6-1 or later.","affected":[{"fixed":"1.5.6-1","introduced":"0"}],"component":"mosquitto","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.5.6-1"],"id":"tcs_01M5ND07RXRQRPC4BW6AZX8R37","modified_at":"2026-10-23T18:03:53.837311225Z","published_at":"2019-03-27T18:29:00.367Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-12551","https://security-tracker.debian.org/tracker/CVE-2018-12551"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-12551#Debian:14/mosquitto","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-12551"}],"summary":"When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use a password file for authentication, any malformed data in the password file will be treated as valid. This typically means"}