With TLS 1.2 connections a client can use any digest, specifically a weaker digest that is supported, rather than those in the CertificateRequest.
{ "versions": [ { "introduced": "0" }, { "last_affected": "5.8.4" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12889.json"