{"id":"CVE-2019-19307","details":"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 protocol packet.","modified":"2026-04-10T04:16:17.850701Z","published":"2019-11-26T16:15:13.807Z","references":[{"type":"EVIDENCE","url":"https://github.com/cesanta/mongoose/issues/1055"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cesanta/mongoose","events":[{"introduced":"0"},{"last_affected":"c41a22195ceabc02ffd0379f0e71d6c3575337aa"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"6.16"}]}}],"versions":["3.2","3.3","3.4","3.5","3.6","3.7","3.8","4.0","4.1","5.0","5.1","5.2","5.3","5.4","5.5","5.5_20140120","5.6","6.0","6.1","6.10","6.11","6.12","6.13","6.14","6.15","6.16","6.2","6.3","6.4","6.5","6.6","6.7","6.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19307.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}