{"id":"CVE-2023-33659","aliases":["EUVD-2023-37815","GHSA-mjw2-5qc5-7h27"],"status":"published","title":"A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered...","description":"A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nmq_subinfo_decode() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01074,"percentile":0.65218,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-06-06T00:00:00Z","modified":"2026-10-28T02:30:33Z","products":[{"vendor":"emqx","product":"nanomq"}],"references":[{"url":"https://github.com/emqx/nanomq","tags":["x_transferred","Product","package"]},{"url":"https://github.com/emqx/nanomq/issues/1154","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/nanomq/NanoNNG/pull/509/commits/6815c4036a2344865da393803ecdb7af27d8bde1","tags":["x_transferred","Patch","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33659","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mjw2-5qc5-7h27"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33659.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-33659","description":"A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nmq_subinfo_decode() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.","status":"published","published":"2023-06-06T00:00:00Z","modified":"2025-01-08T16:03:48.382Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:34.170609Z"}],"euvd":[{"id":"EUVD-2023-37815","description":"A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nmq_subinfo_decode() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.","status":"published","published":"2023-06-06T00:00:00Z","modified":"2025-01-08T16:03:48Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:23.880435Z"}],"ghsa":[{"id":"GHSA-mjw2-5qc5-7h27","title":"A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered...","description":"A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nmq_subinfo_decode() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.","status":"published","published":"2023-06-06T12:30:14Z","modified":"2024-04-04T04:35:09Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:24.94679Z"}],"nvd":[{"id":"CVE-2023-33659","description":"A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nmq_subinfo_decode() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.","status":"published","published":"2023-06-06T12:15:09.503Z","modified":"2026-06-17T06:02:05.137Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:05.329837Z"}],"osv":[{"id":"CVE-2023-33659","description":"A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nmq_subinfo_decode() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.","status":"published","published":"2023-06-06T00:00:00Z","modified":"2026-10-28T02:30:33.51096312Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:32.116263Z"}]}}