CVE-2026-62351

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{"affected": [{"affectedData": [{"product": "TDengine", "vendor": "taosdata", "versions": [{"status": "affected", "version": "< 3.4.1.15"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, source/libs/transport/src/transComm.c transDecompressMsg() read STransCompMsg.contLen when pHead->comp == 1 without first validating that the RPC packet contained the 8-byte STransCompMsg structure, causing an unauthenticated out-of-bounds read, uncontrolled allocation, integer underflow, and server crash. This issue is fixed in version 3.4.1.15."}, {"lang": "es", "value": "TDengine es una base de datos de series temporales optimizada para dispositivos de internet de las cosas. Antes de la versi\u00f3n 3.4.1.15, source/libs/transport/src/transComm.c transDecompressMsg() le\u00eda STransCompMsg.contLen cuando pHead -> comp == 1 sin validar primero que el paquete RPC conten\u00eda la estructura STransCompMsg de 8 bytes, causando una lectura fuera de l\u00edmites no autenticada, asignaci\u00f3n descontrolada, desbordamiento negativo de enteros y un fallo del servidor. Este problema se ha corregido en la versi\u00f3n 3.4.1.15."}], "id": "CVE-2026-62351", "lastModified": "2026-10-24T21:10:00.130", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-62351", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-15T19:33:36.374979Z", "version": "2.0.3"}}]}, "published": "2026-07-15T19:18:37.947", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/taosdata/TDengine/security/advisories/GHSA-8pc4-p252-f5m7"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/taosdata/TDengine/security/advisories/GHSA-8pc4-p252-f5m7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.4.1.15)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "TDengine", "source": "cna", "vendor": "taosdata"}, "product": "tdengine", "vendor": "taosdata"}], "created": "2026-07-15T22:00:06.040516+00:00", "updated": "2026-07-31T03:15:04.307544+00:00", "vendors": ["taosdata", "taosdata$PRODUCT$tdengine"]}