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CVE-2026-42542

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

Description (CNA)

TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthenticated remote attacker can crash the taosd server process by sending a single crafted RPC packet. No credentials or prior session state are required. Version 3.4.1.6 fixes the issue.

Affected (CNA)

Vendor / productVersions
taosdata / TDengineaffected >= 3.4.0.0, < 3.4.1.6

CWE

CWE-191

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.