AIKIDO-2026-10429
wolfSSL.wolfssl is vulnerable to Integer Overflow or Wraparound
12
Low Risk
This Affects:
wolfSSL.wolfsslTL;DR
wolfssl_add_to_chain can integer-overflow the allocation size for certificate chain storage, leading to heap corruption when extra chain certificates are loaded through compatibility APIs enabled by certain OpenSSL-style build options. The issue is not remotely exploitable without a compromised loader of certificates. The fix validates sizes before writing chain data.
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 Overflow or Wraparound 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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