CVE-2025-52496 HIGH

CVE-2025-52496

Vendor Mbed
Product mbedtls
Weakness CWE-733
Published July 4, 2025
Last update November 3, 2025

CVSS base score

7.8/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 4, 2025 CVE published
November 3, 2025 Record updated