Intel

AIKIDO-2025-10977

wolfSSL.wolfssl is vulnerable to Covert Timing Channel

Covert Timing ChannelCVE-2025-7396 Published Dec 24, 2025

56

Medium Risk

This Affects:

C++wolfSSL.wolfssl
5.8.0 - 5.8.0
Fixed in 5.8.2
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TL;DR

Affected versions of wolfssl include Curve25519 blinding support enabled by default in applicable builds, providing additional protection against potential side-channel attacks. While practical private-key extraction via side channels is considered difficult, blinding helps reduce the risk on devices that may be exposed to physical access or side-channel observation, improving overall cryptographic robustness.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

wolfSSL.wolfssl is vulnerable to Covert Timing Channel in versions 5.8.0 - 5.8.0.

How to fix this

Upgrade the wolfSSL.wolfssl library to the patch version.