Integer Underflow (Wrap or Wraparound) Affecting taosdata/TDengine package, versions [3.4.0.0,3.4.1.6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-TAOSDATATDENGINE-17430747
- published23 Jun 2026
- disclosed10 Jun 2026
- creditshook-zhou
Introduced: 10 Jun 2026
CVE-2026-42542 (opens in a new tab)How to fix?
Upgrade taosdata/TDengine to version 3.4.1.6 or higher.
Overview
Affected versions of this package are vulnerable to Integer Underflow (Wrap or Wraparound) via the uvConnMayGetUserInfo function. An attacker can cause the server process to crash by sending a specially crafted RPC packet without authentication.