{"action":"Upgrade mosquitto to 2.0.8-1 or later.","affected":[{"fixed":"2.0.8-1","introduced":"0"}],"component":"mosquitto","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.0.8-1"],"id":"tcs_01M5NFRF2DBT770S2KV8F61BV3","modified_at":"2026-10-23T18:04:50.691450609Z","published_at":"2021-07-27T16:15:07.893Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-34432","https://security-tracker.debian.org/tracker/CVE-2021-34432"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-34432#Debian:14/mosquitto","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-34432"}],"summary":"In Eclipse Mosquitto versions 2.0.7 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0."}