Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtlssslset_hostname.
{ "versions": [ { "introduced": "0" }, { "fixed": "2.28.10" }, { "introduced": "3.0.0" }, { "fixed": "3.6.3" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-27809.json"