Intel

AIKIDO-2025-10992

wolfSSL.wolfssl is vulnerable to Integer Underflow

Integer UnderflowCVE-2025-11931 Published Dec 29, 2025

21

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

An integer underflow in XChaCha20-Poly1305 decryption can lead to out-of-bounds memory access. This issue occurs specifically in wc_XChaCha20Poly1305_Decrypt() and does not affect TLS connections, as the function is only invoked through direct application calls.

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 Integer Underflow in versions 5.8.2 - 5.8.2.

How to fix this

Upgrade the wolfSSL.wolfssl library to the patch version.