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

Medium · published April 1, 2026

CVSS v3.1
6.7
EPSS
0%
Percentile
4.0
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS v3.1
6.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00152 · 4.0th percentile
Published
2026-04-01T00:00Z
EPSS history
Timeline
  • 01 APR 00:00Z
    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
    cvelistv5