CVE-2025-52496
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Arm Mbed Tls
PublishedJul 4, 2025
First seenJul 4, 2025
Weakness typeCWE-733CWE-733
How to fix
Update
- arm mbed_tls3.6.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| arm mbed_tls | v < 3.6.4 | 3.6.4 |
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