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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.

🗓️ 03 Sep 2025 23:18:31Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Mbed TLS before 3.6.4 has a race in AESNI detection enabling key extraction or GCM forgery.

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03 Sep 2025 23:18Current
7High risk
Vulners AI Score7
CVSS 3.17.8
EPSS0.00085
SSVC
1