CVE-2026-62351 – TDengine: Unauthenticated Remote Denial of Service via Out-of-Bounds Read in transDecompressMsg

CVE ID :CVE-2026-62351

Published : July 15, 2026, 7:18 p.m. | 15 minutes ago

Description :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.

Severity: 7.5 | HIGH

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