CVE-2025-52496

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.4 / Impact : 5.8

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-1.md	Exploit Third Party Advisory
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	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-07-04 15:15

Updated : 2025-11-03 20:19

NVD link : CVE-2025-52496

Mitre link : CVE-2025-52496

CVE.ORG link : CVE-2025-52496

JSON object : View

Products Affected

arm

mbed_tls

CWE

CWE-733

Compiler Optimization Removal or Modification of Security-critical Code

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