wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Gentoo Linux | — | Upgrade net-libs/cyassl. | Oct 30, 2017 | Apr 22, 2014 |
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