CVE-2025-52496

PoC —

CVSS 3.1

7.8 high

EPSS

<1%p9

Published

Jul 4, 2025 (Jul 4, 2025)

Modified

Jun 17, 2026

Description

Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur. An attacker may be able to extract an AES key from a multithreaded program, or perform a GCM forgery.

Vendors: arm
Products: mbed tls
Weakness: CWE-733
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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