{"id":"CVE-2025-59946","title":"NanoMQ MQTT Broker (NanoMQ) is an Edge Messaging Platform","summary":"NanoMQ MQTT Broker (NanoMQ) is an Edge Messaging Platform. Prior to version 0.24.2, there is a classical data racing issue about sub info list which could result in heap use after free crash. This issue has been patched in version 0.24.2.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"emqx","product":"nanomq","affected":["nanomq < 0.24.4"],"patched":["nanomq 0.24.4"],"published":"2025-12-27","updated":"2026-10-13","sourceUpdated":"2026-10-13T09:10:00.323","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-59946","references":[{"url":"https://github.com/nanomq/nanomq/issues/1863","label":"security-advisories@github.com"},{"url":"https://github.com/nanomq/nanomq/security/advisories/GHSA-xg37-23w7-72p5","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00376,"epssPercentile":0.29634,"ingestedAt":"2026-10-13T09:20:23.159Z","slug":"CVE-2025-59946","body":"## Overview\n\nNanoMQ MQTT Broker (NanoMQ) is an Edge Messaging Platform. Prior to version 0.24.2, there is a classical data racing issue about sub info list which could result in heap use after free crash. This issue has been patched in version 0.24.2.\n\n## Affected\n\n- `nanomq < 0.24.4`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `nanomq 0.24.4`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}