CVE-2025-52496

high

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.

References

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

Details

Source: Mitre, NVD

Published: 2025-07-04

Updated: 2025-07-08

Risk Information

CVSS v2

Base Score: 5.6

Vector: CVSS2#AV:L/AC:H/Au:N/C:C/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00013