High severity7.8NVD Advisory· Published Jul 4, 2025· Updated Jun 17, 2026

CVE-2025-52496

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Arm/MbedTLSllm-create
Range: <3.6.4
Arm/mbedtls-docsllm-create
Range: <3.6.4
Mbed/mbedtlsv5
Range: 0

Patches

Vulnerability mechanics

References

github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-1.mdnvdExploitThird Party Advisory
lists.debian.org/debian-lts-announce/2025/08/msg00013.htmlnvd

News mentions

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cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000