CVE-2026-62351

highCVSS 7.5covered by 1 sourcefirst seen 2026-07-15

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.

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Exploitation outlook

Low exploitation risk0.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-62351: TDengine is a time-series database optimized for Internet of Things devices. Prior to 3.4.1.15…nvd · 2026-07-15

External references

NVD record for CVE-2026-62351

CVE.org record

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