Buffer Over-read Affecting eclipse-threadx/netxduo package, versions [,6.4.4.202503)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-UNMANAGED-ECLIPSETHREADXNETXDUO-13554352
  • published15 Oct 2025
  • disclosed15 Oct 2025
  • creditIlja van Sprundel, Justin-Stauffer

Introduced: 15 Oct 2025

NewCVE-2025-55081  (opens in a new tab)
CWE-126  (opens in a new tab)

How to fix?

Upgrade eclipse-threadx/netxduo to version 6.4.4.202503 or higher.

Overview

Affected versions of this package are vulnerable to Buffer Over-read via the _nx_secure_tls_process_clienthello() function with missing length verification. An attacker can access sensitive memory contents by sending a specially crafted SSL/TLS client hello message with invalid ciphersuite or compression method lengths.

References

CVSS Base Scores

version 4.0
version 3.1