Threats Tagged 'cve-2026-89133'
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Threats Tagged 'cve-2026-89133'
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wolfSSL versions 5.9.2 and earlier have a vulnerability in their X.509 certificate validation logic. The flaw causes improper enforcement of NameConstraints extensions when an unconstrained CA tier exists between a name-constrained intermediate CA and the leaf certificate. This leads to acceptance of certificates for unauthorized hostnames due to a chain-walking state-machine bug that resets validation state incorrectly. The issue affects the default build configuration using certificates with name constraints. The vulnerability has a medium severity score of 5.3 CVSS v3.1. Join the discussion | GCVE Database | 09/27/2026, 12:30:20 UTC Added: 10/03/2026, 17:22:03 UTC |
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