7.5

CVE-2026-42542

Exploit

TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Tdengine ≫ Tdengine Version >= 3.4.0.0 < 3.4.1.6
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.54% 0.411
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-191 Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

https://github.com/taosdata/TDengine/security/advisories/GHSA-vg95-j2hf-hvjx
Vendor Advisory
Exploit
Mitigation
https://github.com/taosdata/TDengine/releases/tag/ver-3.4.1.6
Product
Release Notes