CVE-2025-66442

ADVISORY - nist

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.

EPSS Score⁠: 0.0027 (0.187)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-385⁠

Covert Timing Channel

ADVISORY - redhat

CWE-733⁠

Compiler Optimization Removal or Modification of Security-critical Code

Impacted images

Advisories

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