{"action":"Upgrade mosquitto to 2.0.16-r0 or later.","affected":[{"fixed":"2.0.16-r0","introduced":"0"}],"component":"mosquitto","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.19","exploited":false,"fixed_versions":["2.0.16-r0"],"id":"tcs_01M5NEJ05AGF67AS8BCP48B2V3","modified_at":"2026-10-23T17:17:56.698233881Z","published_at":"2023-10-02T19:15:09.717Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2023-0809","https://security.alpinelinux.org/vuln/CVE-2023-0809"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2023-0809#Alpine:v3.19/mosquitto","url":"https://osv.dev/vulnerability/ALPINE-CVE-2023-0809"}],"summary":"In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets."}