CVE-2025-59438

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-59438
Mbed TLS through 3.6.4 has an Observable Timing Discrepancy.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-invalid-padding-error/ Vendor Advisory
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ Vendor Advisory
Configurations

Configuration 1 (hide)

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

23 Oct 2025, 12:35

Type Values Removed Values Added
CPE cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
First Time Arm mbed Tls
Arm
References () https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-invalid-padding-error/ - () https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-invalid-padding-error/ - Vendor Advisory
References () https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ - () https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/ - Vendor Advisory

21 Oct 2025, 16:15

Type Values Removed Values Added
CWE CWE-208
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.3

21 Oct 2025, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-10-21 15:15

Updated : 2025-10-23 12:35

NVD link : CVE-2025-59438

Mitre link : CVE-2025-59438

CVE.ORG link : CVE-2025-59438

JSON object : View

Products Affected

arm

  • mbed_tls
CWE
CWE-208

Observable Timing Discrepancy