{"schemaVersion":3,"id":"USN-4023-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"mosquitto vulnerabilities\n\nIt was discovered that Mosquitto broker incorrectly handled certain specially\ncrafted input and network packets. A remote attacker could use this to cause a\ndenial of service.","dates":{"published":"2019-06-20T13:31:40.000Z","modified":"2026-04-27T15:27:00.594Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"mosquitto","name":"mosquitto","label":"mosquitto","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mosquitto","purlType":"deb","versions":[{"text":"< 1.4.8-1ubuntu0.16.04.7","noFixRecorded":false,"fixedIn":null},{"text":"< 1.4.15-2ubuntu0.18.04.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.4.8-1ubuntu0.16.04.7 | < 1.4.15-2ubuntu0.18.04.3","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4023-1","label":"ubuntu.com/security/notices/USN-4023-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-7653","label":"ubuntu.com/security/CVE-2017-7653","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2017-7654","label":"ubuntu.com/security/CVE-2017-7654","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2017-7653","CVE-2017-7654"],"downstream":[],"duplicates":[],"related":["CVE-2017-7653","CVE-2017-7654"]},"timeline":[{"kind":"published","date":"2019-06-20T13:31:40.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T15:27:00.594Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T15:09:16.203Z","stale":false,"partial":false}}