CVE-2025-66442

CVE-2025-66442 affects Mbed TLS up to 4.0.0 and TF-PSA-Crypto up to 1.0.0. The issue is a compiler-induced timing side channel in RSA and CBC/ECB decryption that occurs specifically with LLVM’s select-optimize feature. The CVSSv3.1 metrics describe a local attack with high complexity, no privileg...

CVE-2026-34872

In Mbed TLS versions 3.5.x and 3.6.x up to 3.6.5, and TF-PSA-Crypto 1.0, there is a fault in finite-field Diffie-Hellman (FFDH) due to improper input validation that results in a lack of contributory behavior. The peer can force the shared secret into a small set of values, which matters for prot...