AIKIDO-2025-10990
wolfSSL.wolfssl is vulnerable to Observable Discrepancy
10
Low Risk
This Affects:
wolfSSL.wolfsslTL;DR
A vulnerability exists in X25519 constant-time cryptographic implementations due to timing side channels introduced by compiler optimizations and CPU architecture limitations, particularly on Xtensa-based ESP32 chips. When targeting Xtensa, it is recommended to use the low-memory X25519 implementations, which are now enabled by default for this architecture.
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 Observable Discrepancy in versions 5.8.2 - 5.8.2.
How to fix this
Upgrade the wolfSSL.wolfssl library to the patch version.
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