high7.8
CVE-2025-52496
Mbed TLS before 3.6.4 has a race condition in AESNI detection if certain compiler optimizations occur.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Arm | Mbed Tls | before 3.6.4 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-1.md
- https://lists.debian.org/debian-lts-announce/2025/08/msg00013.html
- https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-1.md