CVE-2026-34875

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-34875
An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://mbed-tls.readthedocs.io/en/latest/security-advisories/ Vendor Advisory
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-ffdh-buffer-overflow/ Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
cpe:2.3:a:arm:tf-psa-crypto:*:*:*:*:*:*:*:*
History

06 Apr 2026, 14:18

Type Values Removed Values Added
First Time Arm tf-psa-crypto
Arm
Arm mbed Tls
References () https://mbed-tls.readthedocs.io/en/latest/security-advisories/ - () https://mbed-tls.readthedocs.io/en/latest/security-advisories/ - Vendor Advisory
References () https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-ffdh-buffer-overflow/ - () https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-ffdh-buffer-overflow/ - Vendor Advisory
CPE cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
cpe:2.3:a:arm:tf-psa-crypto:*:*:*:*:*:*:*:*

01 Apr 2026, 19:16

Type Values Removed Values Added
CWE CWE-120
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8

01 Apr 2026, 18:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-04-01 18:16

Updated : 2026-04-06 14:18

NVD link : CVE-2026-34875

Mitre link : CVE-2026-34875

CVE.ORG link : CVE-2026-34875

JSON object : View

Products Affected

arm

  • mbed_tls
  • tf-psa-crypto
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')