{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-62723", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-10-20T19:41:22.741Z", "datePublished": "2025-10-24T20:16:34.047Z", "dateUpdated": "2025-10-24T20:32:00.596Z"}, "containers": {"cna": {"title": "FlashMQ does not release memory of queued QoS messages", "problemTypes": [{"descriptions": [{"cweId": "CWE-772", "lang": "en", "description": "CWE-772: Missing Release of Resource after Effective Lifetime", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/halfgaar/FlashMQ/security/advisories/GHSA-7mhp-22q4-r6vv", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/halfgaar/FlashMQ/security/advisories/GHSA-7mhp-22q4-r6vv"}, {"name": "https://github.com/halfgaar/FlashMQ/issues/154", "tags": ["x_refsource_MISC"], "url": "https://github.com/halfgaar/FlashMQ/issues/154"}, {"name": "https://github.com/halfgaar/FlashMQ/commit/e86c49360ef4387440c97f591770cdb9284b4ee9", "tags": ["x_refsource_MISC"], "url": "https://github.com/halfgaar/FlashMQ/commit/e86c49360ef4387440c97f591770cdb9284b4ee9"}], "affected": [{"vendor": "halfgaar", "product": "FlashMQ", "versions": [{"version": "< 1.23.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-10-24T20:16:34.047Z"}, "descriptions": [{"lang": "en", "value": "FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.23.2, any authenticated user can create sessions and have them collect QoS messages. When not sent to a client, these are then not released upon (eventual) session expiration. Version 1.23.2 fixes the issue."}], "source": {"advisory": "GHSA-7mhp-22q4-r6vv", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-24T20:31:44.102351Z", "id": "CVE-2025-62723", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2025-10-24T20:32:00.596Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.23.2, any authenticated user can create sessions and have them collect QoS messages. When not sent to a client, these are then not released upon (eventual) session expiration. Version 1.23.2 fixes the issue."}], "id": "CVE-2025-62723", "lastModified": "2025-10-24T21:16:14.010", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-10-24T21:16:14.010", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/halfgaar/FlashMQ/commit/e86c49360ef4387440c97f591770cdb9284b4ee9"}, {"source": "security-advisories@github.com", "url": "https://github.com/halfgaar/FlashMQ/issues/154"}, {"source": "security-advisories@github.com", "url": "https://github.com/halfgaar/FlashMQ/security/advisories/GHSA-7mhp-22q4-r6vv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-772"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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