PT-2026-48533 · Taosdata · Tdengine

Published 2026-06-10 · Updated 2026-06-10 · CVE-2026-42542

NVD

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Fix

Integer Underflow

Weakness Enumeration

CWE-191

Related Identifiers

CVE-2026-42542

Affected Products

Tdengine

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-42542 · Security Note
• https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjx · Note
• https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6 · Note