{"id":"CVE-2024-31040","details":"Buffer Overflow vulnerability in the get_var_integer function in mqtt_parser.c in NanoMQ 0.21.7 allows remote attackers to cause a denial of service via a series of specially crafted hexstreams.","modified":"2026-08-12T03:51:36.310257427Z","published":"2024-04-17T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31040.json","cna_assigner":"mitre"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31040.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-31040"},{"type":"REPORT","url":"https://github.com/nanomq/nanomq/issues/1720"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nanomq/nanomq","events":[{"introduced":"9ebf00dbba21811eb0f107b9333c658a265b997f"},{"last_affected":"9ebf00dbba21811eb0f107b9333c658a265b997f"}],"database_specific":{"cpe":"cpe:2.3:a:emqx:nanomq:0.21.7:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.21.7"},{"last_affected":"0.21.7"}],"source":"CPE_STRING"}}],"versions":["0.21.7"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-31040.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L"}]}