{"id":"CVE-2019-11778","details":"If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets a session expiry interval, and the will delay interval is set longer than the session expiry interval, then a use after free error occurs, which has the potential to cause a crash in some situations.","modified":"2026-08-27T08:14:22.724673Z","published":"2019-09-18T23:15:10.987Z","related":["openSUSE-SU-2024:11057-1"],"references":[{"type":"ADVISORY","url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=551162"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eclipse-mosquitto/mosquitto","events":[{"introduced":"4555ee79e513d9a6dc5c13d527c56cb2cfdd24d0"},{"fixed":"6a59a725651b7f5a2b89cef84a2815bd5c300f94"}],"database_specific":{"cpe":"cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.6"},{"fixed":"1.6.5"}],"source":"CPE_RANGE"}}],"versions":["v1.6.4","v1.6.3","v1.6.2","v1.6.1","v1.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11778.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L"}]}