Paper/Archive/CVE-2026-34875

CVE-2026-34875

mitre — An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0.

EPSS 0.4%CVSS 9.8

critical.is priorityof 100

36

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 31.3.313 × 206.3 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refmbed-tls.readthedocs.io/en/latest/security-advisories refmbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-ffdh-buffer-overflow