CVE-2026-34871: An issue was discovered in Mbed TLS before 3.6.6 and 4.x before 4.1.0 and TF-PSA-Crypto before 1.1.0. There is a Predictable Seed in a Pseudo-Random Number Generator (PRNG).

Overview

Severity
Medium (CVSS 6.7)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Apr
Released
2026-05-07
Last Updated
2026-06-02
EPSS Score
0.19% (percentile: 8.9%)

Affected Products (2)

Open Source Software

  • azl3 nodejs24 24.14.1-2 on Azure Linux 3.0

Other

  • 21370-17084

Revision History

  • 2026-05-07: Information published.
  • 2026-05-19: Information published.
  • 2026-05-31: Information published.
  • 2026-06-01: Information published.
  • 2026-06-02: Information published.