{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62351", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-13T21:42:50.096Z", "datePublished": "2026-07-15T19:08:06.126Z", "dateUpdated": "2026-07-15T19:33:42.747Z"}, "containers": {"cna": {"title": "TDengine: Unauthenticated Remote Denial of Service via Out-of-Bounds Read in transDecompressMsg", "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "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/taosdata/TDengine/security/advisories/GHSA-8pc4-p252-f5m7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/taosdata/TDengine/security/advisories/GHSA-8pc4-p252-f5m7"}], "affected": [{"vendor": "taosdata", "product": "TDengine", "versions": [{"version": "< 3.4.1.15", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-15T19:08:06.126Z"}, "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."}], "source": {"advisory": "GHSA-8pc4-p252-f5m7", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/taosdata/TDengine/security/advisories/GHSA-8pc4-p252-f5m7", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-15T19:33:36.374979Z", "id": "CVE-2026-62351", "options": [{"Exploitation": "poc"}, {"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": "2026-07-15T19:33:42.747Z"}}]}}

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{"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": "2026-07-15T22:00:06.040533+00:00", "vendors": ["taosdata", "taosdata$PRODUCT$tdengine"]}