CVE-2026-40006

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Apache IoTDB", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "2.0.10", "status": "affected", "version": "1.0.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Memory Allocation with Excessive Size Value, Allocation of Resources Without Limits or Throttling, Missing Authentication for Critical Function vulnerability in Apache IoTDB.\nWhen pipe_air_gap_receiver_enabled=true, the IoTDB AirGap pipe receiver\naccepts raw TCP connections on port 9780 with no authentication. The\nreadLength method reads an attacker-controlled 32-bit integer from the\nsocket and readData passes it directly to new byte[length] with no\nupper-bound check. An unauthenticated attacker can cause the JVM to attempt\nan allocation of up to 2,147,483,647 bytes per connection, exhausting heap\nmemory and crashing or severely degrading the DataNode process.\n\n\nThis issue affects Apache IoTDB: from 1.0.0 before 2.0.10.\n\nUsers are recommended to upgrade to version 2.0.10, which fixes the issue."}, {"lang": "es", "value": "Asignaci\u00f3n de memoria con valor de tama\u00f1o excesivo, Asignaci\u00f3n de recursos sin l\u00edmites o limitaci\u00f3n, vulnerabilidad de autenticaci\u00f3n faltante para funci\u00f3n cr\u00edtica en Apache IoTDB.\nCuando pipe_air_gap_receiver_enabled=true, el receptor de tuber\u00eda AirGap de IoTDB acepta conexiones TCP sin procesar en el puerto 9780 sin autenticaci\u00f3n. El m\u00e9todo readLength lee un entero de 32 bits controlado por el atacante del socket y readData lo pasa directamente a new byte[length] sin verificaci\u00f3n de l\u00edmite superior. Un atacante no autenticado puede hacer que la JVM intente una asignaci\u00f3n de hasta 2.147.483.647 bytes por conexi\u00f3n, agotando la memoria del mont\u00f3n y bloqueando o degradando gravemente el proceso DataNode.\n\nEste problema afecta a Apache IoTDB: desde 1.0.0 antes de 2.0.10.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 2.0.10, que corrige el problema."}], "id": "CVE-2026-40006", "lastModified": "2026-10-25T15:10:00.147", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40006", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-10T14:59:12.142625Z", "version": "2.0.3"}}]}, "published": "2026-07-10T08:16:22.163", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/rfpt7m9fvdrw37r3ow5omp2n914z6zqk"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/07/10/3"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}, {"lang": "en", "value": "CWE-770"}, {"lang": "en", "value": "CWE-789"}], "source": "security@apache.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.0.0,2.0.10)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache IoTDB", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "iotdb", "vendor": "apache"}], "created": "2026-07-10T09:54:47.853683+00:00", "updated": "2026-08-01T13:15:03.232732+00:00", "vendors": ["apache", "apache$PRODUCT$iotdb"]}