{"action":"Upgrade swupdate to 2021.04-1 or later.","affected":[{"fixed":"2021.04-1","introduced":"0"}],"component":"swupdate","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2021.04-1"],"id":"tcs_01M5NE2N8YDWFJCBM0H4TH6CTG","modified_at":"2026-09-21T07:02:53.997730094Z","published_at":"2019-11-26T16:15:13.807Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-19307","https://security-tracker.debian.org/tracker/CVE-2019-19307"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-19307#Debian:13/swupdate","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-19307"}],"summary":"An integer overflow in parse_mqtt in mongoose.c in Cesanta Mongoose 6.16 allows an attacker to achieve remote DoS (infinite loop), or possibly cause an out-of-bounds write, by sending a crafted MQTT p"}