Vulnerability 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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Arm | Mbed Tls | >= 3.5.0, < 3.6.6 |
| Arm | Tf-Psa-Crypto | < 1.1.0 |
Related Weaknesses (CWE)
References
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/Vendor Advisory
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-aVendor Advisory
FAQ
What is CVE-2026-34875?
CVE-2026-34875 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2026-34875?
CVE-2026-34875 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-34875?
Check the references section above for vendor advisories and patch information. Affected products include: Arm Mbed Tls, Arm Tf-Psa-Crypto.