CVE-2026-34875

CRITICAL

Mbed TLS through 3.6.5 - Buffer Overflow

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 9.8
EPSS 0.0005
EPSS Percentile 16.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-120
Status published
Products (2)
arm/mbed_tls 3.5.0 - 3.6.6
arm/tf-psa-crypto < 1.1.0
Published Apr 01, 2026
Tracked Since Apr 01, 2026