CVE-2026-42542

Description

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.

CVSS Vector

References

• https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6
• https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjx