Intel/AIKIDO-2026-10437
wolfSSL.wolfssl
AIKIDO-2026-10437
wolfSSL.wolfssl is vulnerable to Buffer overflow (stack based)
Buffer overflow (stack based)CVE-2026-3849 Published Mar 30, 2026
69
Medium Risk
This Affects:
wolfSSL.wolfssl0.0.1 - 5.8.4
Fixed in 5.9.0Are you affected? Scan for Free
TL;DR
wc_HpkeLabeledExtract can overflow a stack buffer when an oversized ECH configuration is supplied on a client build with ECH enabled. A malicious TLS server supporting ECH can supply crafted config that crashes the client or worse. The fix bounds the input to safe sizes before extraction.
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 Buffer overflow (stack based) in versions 0.0.1 - 5.8.4.
How to fix this
Upgrade the wolfSSL.wolfssl library to the patch version.
Are You Affected?
Connect your repositories to instantly see whether vulnerable or malicious packages exist in your codebase.
Free. No credit card required.
Resources
Industries
Use Cases
Compare
© 2026 Aikido Security BV | BE0792914919
Keizer Karelstraat 15, 9000, Ghent, Belgium
95 Third St, 2nd Fl, San Francisco, CA 94103, US
Unit 6.15 Runway East 18 18 Crucifix Ln, London SE1 3JW UK
Ghent, Belgium | San Francisco, US
SOC 2Compliant
ISO 27001Compliant