Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) Affecting wolfssl/wolfssl package, versions [,5.9.0-stable)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.02% (7th percentile)

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 Learn

Learn about Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-WOLFSSLWOLFSSL-15762304
  • published24 Mar 2026
  • disclosed19 Mar 2026
  • creditHariprasad Kelassery Valsaraj

Introduced: 19 Mar 2026

CVE-2026-3503  (opens in a new tab)
CWE-335  (opens in a new tab)

How to fix?

Upgrade wolfssl/wolfssl to version 5.9.0-stable or higher.

Overview

Affected versions of this package are vulnerable to Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) via induced transient faults in the Keccak-based expansion process. An attacker can compromise key material and cryptographic outcomes by physically manipulating seed or pointer values during cryptographic operations on ARM Cortex-M microcontrollers.

CVSS Base Scores

version 4.0
version 3.1