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Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

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Weakness (CWE) CWE-191 Integer Underflow (Wrap or Wraparound) 1 CWE-20 Improper Input Validation 1

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Vendor: taosdata × Component: Tdengine × Clear all filters

TI-2026-30822 CVE-2026-42542

TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)

Priority MEDIUM 40

TDengine is an open source, time-series database optimized for Internet of Things devices.

CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00558 · Published 2026-06-10 · Fixed in 3.4.1.6 CWE-191

TI-2023-19882 CVE-2023-38502

TDengine Database Denial-of-Service

Priority MEDIUM 62

TDengine is an open source, time-series database optimized for Internet of Things devices.

CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00678 · Published 2023-07-25 · Fixed in 3.0.7.1 CWE-20

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