CVE-2025-52496
HIGH7.8EPSS 0.08%Published: 7/4/2025Modified: 4/28/2026
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.
Affected packages (2)
- Alpine/mbedtlsfrom 0, < 3.6.4-r0
- Debian/mbedtlsfrom 0, < 2.16.9-0.1+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N |