CVE-2025-12889: wolfSSL

Medium severity, CVSS 5.4. EPSS: 0.1% chance of exploitation in the next 30 days.

With TLS 1.2 connections a client can use any digest, specifically a weaker digest that is supported, rather than those in the CertificateRequest.

Affected products

• wolfSSL wolfSSL: version 5.8.4 only

Published 2025-11-22. Last modified 2026-06-17.