VULNERABILITY INTELLIGENCE

CVE-2026-42542

CVSS score7.5 HIGH
EPSS probability0.56%
CISA KEVNot currently listed
Published2026-06-10
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-191: Integer Underflow (Wrap or Wraparound)

Primary references