CVE-2025-52496

7.8 HIGH

Published: July 04, 2025 Modified: November 03, 2025

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 Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-1.md

Source: cve@mitre.org

Exploit Third Party Advisory

https://lists.debian.org/debian-lts-announce/2025/08/msg00013.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-1.md

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Exploit Third Party Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.8 / 10.0

EPSS (Exploit Probability)

0.0%

3th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-733

Affected Vendors

arm

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