CVE-2026-42542

7.5 highEPSS 0.6%

High (7.5) in tdengine tdengine. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-191
Published: 2026-06-10
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

tdengine:tdengine

References

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

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