{"id":"CVE-2023-34488","details":"NanoMQ 0.17.5 has a one-byte heap-based buffer over-read in the conn_handler function of mqtt_parser.c when it processes malformed messages.","modified":"2026-08-12T03:51:16.318023075Z","published":"2023-06-12T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34488.json","cna_assigner":"mitre"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34488.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34488"},{"type":"REPORT","url":"https://github.com/emqx/nanomq/issues/1181"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nanomq/nanomq","events":[{"introduced":"da4d3c8a077cb20a85eb310ec680c3229773a85a"},{"last_affected":"da4d3c8a077cb20a85eb310ec680c3229773a85a"}],"database_specific":{"cpe":"cpe:2.3:a:emqx:nanomq:0.17.5:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.17.5"},{"last_affected":"0.17.5"}],"source":"CPE_STRING"}}],"versions":["0.17.5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-34488.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}