{"id":"USN-4023-1","summary":"mosquitto vulnerabilities","details":"It 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.\n","modified":"2026-04-27T15:27:00.594409Z","published":"2019-06-20T13:31:40Z","related":["UBUNTU-CVE-2017-7653","UBUNTU-CVE-2017-7654"],"upstream":["CVE-2017-7653","CVE-2017-7654","UBUNTU-CVE-2017-7653","UBUNTU-CVE-2017-7654"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4023-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7653"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7654"}],"affected":[{"package":{"name":"mosquitto","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/mosquitto@1.4.8-1ubuntu0.16.04.7?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.8-1ubuntu0.16.04.7"}]}],"versions":["1.4.3-1","1.4.4-1","1.4.7-1","1.4.8-1","1.4.8-1build1","1.4.8-1ubuntu0.16.04.1","1.4.8-1ubuntu0.16.04.2","1.4.8-1ubuntu0.16.04.3","1.4.8-1ubuntu0.16.04.4","1.4.8-1ubuntu0.16.04.5","1.4.8-1ubuntu0.16.04.6"],"ecosystem_specific":{"binaries":[{"binary_name":"libmosquitto1","binary_version":"1.4.8-1ubuntu0.16.04.7"},{"binary_name":"libmosquittopp1","binary_version":"1.4.8-1ubuntu0.16.04.7"},{"binary_name":"mosquitto","binary_version":"1.4.8-1ubuntu0.16.04.7"},{"binary_name":"mosquitto-clients","binary_version":"1.4.8-1ubuntu0.16.04.7"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2017-7653","severity":[{"score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2017-7654","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4023-1.json"}},{"package":{"name":"mosquitto","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mosquitto@1.4.15-2ubuntu0.18.04.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.15-2ubuntu0.18.04.3"}]}],"versions":["1.4.12-1","1.4.14-1","1.4.14-2","1.4.14-2build1","1.4.15-1","1.4.15-2","1.4.15-2ubuntu0.18.04.1","1.4.15-2ubuntu0.18.04.2"],"ecosystem_specific":{"binaries":[{"binary_name":"libmosquitto1","binary_version":"1.4.15-2ubuntu0.18.04.3"},{"binary_name":"libmosquittopp1","binary_version":"1.4.15-2ubuntu0.18.04.3"},{"binary_name":"mosquitto","binary_version":"1.4.15-2ubuntu0.18.04.3"},{"binary_name":"mosquitto-clients","binary_version":"1.4.15-2ubuntu0.18.04.3"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2017-7653","severity":[{"score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2017-7654","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4023-1.json"}}],"schema_version":"1.7.5"}