What is CVE-2026-34875?

CVE-2026-34875 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. 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.

Which CVE IDs does CVE-2026-34875 cover?

CVE-2026-34875 covers the following CVE IDs: CVE-2026-34875. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-34875?

CVE-2026-34875 has a CVSS v3 base score of 9.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-34875CriticalCVSS 9.8

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.

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-34875 →