cvedb.io
CVE-2025-66442
MEDIUM · CVSS 5.1
EPSS exploitation probability: 0%
Published 2026-04-01T20:16:22.107 · Last modified 2026-06-17T09:56:51.053

Summary

In Mbed TLS through 4.0.0, there is a compiler-induced timing side channel (in RSA and CBC/ECB decryption) that only occurs with LLVM's select-optimize feature. TF-PSA-Crypto through 1.0.0 is also affected.

Affected products

arm — mbed_tls

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.