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CVE-2026-34871

nvd nist
Published: Apr 1, 2026Modified: Jun 17, 2026

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6.7
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploitability: 1.4 / Impact: 5.2
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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).

Affected (2)

Arm
1 product
Mbed Tls
Trustedfirmware
1 product
Tf Psa Crypto
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Mbed Tls
Before 3.6.6
Tf Psa Crypto
Before 1.1.0

Related CWEs

CWE-338
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.

References (2)

Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Vendor Advisory

Timeline

No history available yet.