AIKIDO-2026-10428
wolfSSL.wolfssl is vulnerable to Use of Cryptographically Weak Key
12
Low Risk
This Affects:
wolfSSL.wolfsslTL;DR
After a crafted HelloRetryRequest, the client may accept a ServerHello that omits the required key_share extension yet still proceeds far enough to authenticate the server and derive keys with predictable material. The fix rejects the malformed handshake so a connection cannot be established with the weak key derivation path.
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 Use of Cryptographically Weak Key in versions 0.0.1 - 5.8.4.
How to fix this
Upgrade the wolfSSL.wolfssl library to the patch version.
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