{"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": "2026-09-18T20:14:55.843Z"}, "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"}}}}

{}

{"affected": [{"affectedData": [{"product": "suricata", "vendor": "OISF", "versions": [{"status": "affected", "version": ">= 8.0.0, < 8.0.6"}, {"status": "affected", "version": ">= 7.0.0, < 7.0.17"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "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."}], "id": "CVE-2026-57227", "lastModified": "2026-09-18T21:17:01.217", "metrics": {"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": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-18T21:17:01.217", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/commit/03ba8a71d827dd36a0ceb512f45d2f440f260a3a"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/commit/5cde93dea38533c9b225128ba9d54955997dc273"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/commit/c03666d261256df5a2d1f5800872da8a5addf6a5"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/releases/tag/suricata-7.0.17"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/releases/tag/suricata-8.0.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/OISF/suricata/security/advisories/GHSA-7h2h-hpj2-9w6p"}, {"source": "security-advisories@github.com", "url": "https://redmine.openinfosecfoundation.org/issues/8525"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}