{"action":"Upgrade mosquitto to 2.0.17-1 or later.","affected":[{"fixed":"2.0.17-1","introduced":"0"}],"component":"mosquitto","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.0.17-1"],"id":"tcs_01M5NHT302G2D8M64D2FEZK78G","modified_at":"2026-10-23T18:04:02.082500565Z","published_at":"2023-10-02T19:15:09.717Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-0809","https://security-tracker.debian.org/tracker/CVE-2023-0809"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-0809#Debian:13/mosquitto","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-0809"}],"summary":"In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets."}