CVE-2026-3230

A flaw was found in wolfSSL. A remote attacker could exploit a missing cryptographic step in the Transport Layer Security TLS 1.3 client HelloRetryRequest handshake logic. By sending a crafted HelloRetryRequest followed by a ServerHello message that omits the required keyshare extension, an...

Missing Cryptographic Step

Overview Affected versions of this package are vulnerable to Missing Cryptographic Step due to missing validation in the keyshare process during the TLS 1.3 HelloRetryRequest handshake. An attacker can compromise the confidentiality of encrypted communications by sending a crafted HelloRetryReque...

CVE-2025-11935 Forward Secrecy Violation in WolfSSL TLS 1.3

With TLS 1.3 pre-shared key PSK a malicious or faulty server could ignore the request for PFS perfect forward secrecy and the client would continue on with the connection using PSK without PFS. This happened when a server responded to a ClientHello containing pskdheke without a keyshare...