{"id":"CVE-2024-31040","aliases":["EUVD-2024-28957","GHSA-p2wx-52q9-6mgg"],"status":"published","title":"Buffer Overflow vulnerability in the get_var_integer function in mqtt_parser.c in NanoMQ 0.21.7...","description":"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.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00576,"percentile":0.47856,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2024-04-17T00:00:00Z","modified":"2026-10-28T02:30:46Z","products":[{"vendor":"emqx","product":"nanomq"}],"references":[{"url":"https://github.com/nanomq/nanomq/issues/1720","tags":["x_transferred","Exploit","Issue Tracking","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-31040","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p2wx-52q9-6mgg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31040.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-31040","description":"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.","status":"published","published":"2024-04-17T00:00:00Z","modified":"2024-08-02T01:46:04.462Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"adp"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:34:14.649724Z"}],"euvd":[{"id":"EUVD-2024-28957","description":"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.","status":"published","published":"2024-04-17T00:00:00Z","modified":"2024-08-02T01:46:04Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-03T03:50:24.625974Z"}],"ghsa":[{"id":"GHSA-p2wx-52q9-6mgg","title":"Buffer Overflow vulnerability in the get_var_integer function in mqtt_parser.c in NanoMQ 0.21.7...","description":"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.","status":"published","published":"2024-04-17T21:30:48Z","modified":"2024-07-03T18:35:11Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:57:34.303632Z"}],"nvd":[{"id":"CVE-2024-31040","description":"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.","status":"published","published":"2024-04-17T19:15:07.68Z","modified":"2026-06-17T07:27:42.647Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:09:52.184911Z"}],"osv":[{"id":"CVE-2024-31040","description":"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.","status":"published","published":"2024-04-17T00:00:00Z","modified":"2026-10-28T02:30:46.806581787Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:44:40.06138Z"}]}}