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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-1.md
Scores
CVSS v3
7.8
EPSS
0.0010
EPSS Percentile
27.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-733
Status
published
Products (1)
arm/mbed_tls
< 3.6.4
Published
Jul 04, 2025
Tracked Since
Feb 18, 2026