{"affected":[{"affectedData":[{"product":"mqtt-packet","vendor":"n/a","versions":[{"status":"affected","version":"Vulnerable versions: < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2"}]}],"source":"support@hackerone.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mqtt-packet_project:mqtt-packet:*:*:*:*:*:node.js:*:*","matchCriteriaId":"9A60D5E1-84E7-4712-9537-BF911926E7CF","versionEndExcluding":"3.5.1","vulnerable":true},{"criteria":"cpe:2.3:a:mqtt-packet_project:mqtt-packet:*:*:*:*:*:node.js:*:*","matchCriteriaId":"09C6DF48-50B2-46B2-BCDA-06467613D14C","versionEndIncluding":"4.1.3","versionStartIncluding":"4.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:mqtt-packet_project:mqtt-packet:*:*:*:*:*:node.js:*:*","matchCriteriaId":"9D5EAD52-6D70-41B2-8E3F-CFA663843440","versionEndIncluding":"5.6.1","versionStartIncluding":"5.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:mqtt-packet_project:mqtt-packet:*:*:*:*:*:node.js:*:*","matchCriteriaId":"7AF3E04E-6359-4284-8CB3-29A28831AA4B","versionEndIncluding":"6.1.2","versionStartIncluding":"6.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2 for decoding."},{"lang":"es","value":"Un paquete MQTT Subscribe especialmente diseñado provoca el cierre inespesperado de MQTT Brokers en las versiones de los módulos mqtt < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2 para la decodificación."}],"id":"CVE-2019-5432","lastModified":"2026-06-17T02:37:40.693","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":5.0,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":10.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2019-05-06T17:29:00.543","references":[{"source":"support@hackerone.com","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"url":"https://hackerone.com/reports/541354"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"url":"https://hackerone.com/reports/541354"}],"sourceIdentifier":"support@hackerone.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-126"}],"source":"support@hackerone.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-125"}],"source":"nvd@nist.gov","type":"Primary"}]}