CVE-2026-42542
HIGHTDengine 3.4.0.0-3.4.1.5 - Unauthenticated Remote Denial of Service
Title source: manualDescription
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.
References (2)
Core 2
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjx
X_Refsource_Misc x_refsource_misc
https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6
Scores
CVSS v3
7.5
EPSS
0.0037
EPSS Percentile
28.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-191
Status
published
Products (2)
taosdata/TDengine
>= 3.4.0.0, < 3.4.1.6
tdengine/tdengine
3.4.0.0 - 3.4.1.6
Published
Jun 10, 2026
Tracked Since
Jun 11, 2026