Intel

AIKIDO-2025-10994

wolfSSL.wolfssl is vulnerable to Observable Discrepancy

Observable DiscrepancyCVE-2025-13912 Published Dec 29, 2025

10

Low Risk

This Affects:

C++wolfSSL.wolfssl
5.8.2 - 5.8.2
Fixed in 5.8.4
Are you affected? Scan for Free

TL;DR

Multiple constant-time implementations in wolfSSL prior to version 5.8.4 may be converted into non-constant-time binaries due to LLVM compiler optimizations. This can introduce observable timing differences, potentially leading to information disclosure via timing side-channel attacks.

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.