{"id":"UBUNTU-CVE-2024-36856","details":"RMQTT Broker 0.4.0 is vulnerable to Denial of Service (DoS) due to improper session resource management. An attacker can exhaust system memory and crash the daemon by establishing and maintaining a vast number of long-lived malicious publish/subscribe sessions.","modified":"2026-09-16T14:01:08.986472106Z","published":"2024-06-12T03:15:00Z","upstream":["CVE-2024-36856"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-36856"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-36856"},{"type":"REPORT","url":"https://github.com/rmqtt/rmqtt/releases/tag/0.4.0"},{"type":"REPORT","url":"https://gist.github.com/pengwGit/d8410afeb0d5d11ab79f596a32178c2e"}],"affected":[{"package":{"name":"broker","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/broker?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0+ds1-1","1.4.0+ds1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libbroker2","binary_version":"1.4.0+ds1-1build1"},{"binary_name":"python3-broker","binary_version":"1.4.0+ds1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-36856.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}