{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57227","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-24T02:21:33.811Z","datePublished":"2026-09-18T20:14:55.843Z","dateUpdated":"2026-09-22T15:47:38.925Z"},"containers":{"cna":{"title":"Suricata mqtt: unbounded resource consumption from repeated pubrec and pubrel messages","problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"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"}}],"references":[{"name":"https://github.com/OISF/suricata/security/advisories/GHSA-7h2h-hpj2-9w6p","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OISF/suricata/security/advisories/GHSA-7h2h-hpj2-9w6p"},{"name":"https://github.com/OISF/suricata/commit/03ba8a71d827dd36a0ceb512f45d2f440f260a3a","tags":["x_refsource_MISC"],"url":"https://github.com/OISF/suricata/commit/03ba8a71d827dd36a0ceb512f45d2f440f260a3a"},{"name":"https://github.com/OISF/suricata/commit/5cde93dea38533c9b225128ba9d54955997dc273","tags":["x_refsource_MISC"],"url":"https://github.com/OISF/suricata/commit/5cde93dea38533c9b225128ba9d54955997dc273"},{"name":"https://github.com/OISF/suricata/commit/c03666d261256df5a2d1f5800872da8a5addf6a5","tags":["x_refsource_MISC"],"url":"https://github.com/OISF/suricata/commit/c03666d261256df5a2d1f5800872da8a5addf6a5"},{"name":"https://github.com/OISF/suricata/releases/tag/suricata-7.0.17","tags":["x_refsource_MISC"],"url":"https://github.com/OISF/suricata/releases/tag/suricata-7.0.17"},{"name":"https://github.com/OISF/suricata/releases/tag/suricata-8.0.6","tags":["x_refsource_MISC"],"url":"https://github.com/OISF/suricata/releases/tag/suricata-8.0.6"},{"name":"https://redmine.openinfosecfoundation.org/issues/8525","tags":["x_refsource_MISC"],"url":"https://redmine.openinfosecfoundation.org/issues/8525"}],"affected":[{"vendor":"OISF","product":"suricata","versions":[{"version":">= 8.0.0, < 8.0.6","status":"affected"},{"version":">= 7.0.0, < 7.0.17","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-18T20:14:55.843Z"},"descriptions":[{"lang":"en","value":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.0 until 7.0.17 and 8.0.6, the MQTT parser in rust/src/mqtt/mqtt.rs permits repeated PUBREC or PUBREL messages to be appended to one transaction without a limit. Crafted MQTT traffic can grow transaction state indefinitely, consuming CPU and memory and causing slowdown or denial of service. This issue is fixed in versions 8.0.6 and 7.0.17."}],"source":{"advisory":"GHSA-7h2h-hpj2-9w6p","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-22T15:47:25.096325Z","id":"CVE-2026-57227","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-22T15:47:38.925Z"}}]}}