RECENT BLOG NEWS

So, what’s new at wolfSSL? Take a look below to check out the most recent news, or sign up to receive weekly email notifications containing the latest news from wolfSSL. wolfSSL also has a support-specific blog page dedicated to answering some of the more commonly received support questions.

wolfSSL 5.8.4 Now Available

wolfSSL 5.8.4 introduces several updates, including the addition of a GPLv3 exceptions list. This allows specific GPLv3-licensed codebases linking against wolfSSL to continue using wolfSSL under GPLv2. Current GPLv3 Exceptions: MariaDB Server MariaDB Client Libraries OpenVPN-NL Fetchmail OpenVPN Security Fixes This release includes multiple fixes across TLS 1.2, TLS 1.3, X25519, XChaCha20-Poly1305, and PSK processing. […]

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wolfSSL 5.9.0 Released

We are excited to announce that wolfSSL version 5.9.0 is now available! wolfSSL 5.9.0 brings a strong focus on advancing post-quantum cryptography support, an expanded Rust wrapper, new hardware platform integrations, and a number of security vulnerability fixes. Security Fixes wolfSSL 5.9.0 includes fixes for 15 security vulnerabilities spanning a range of severity levels, covering […]

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Introducing wolfIP: Deterministic TCP/IP for Safety-Critical Embedded Systems

Many TCP/IP stacks rely on dynamic memory allocation, background threads, and unpredictable resource usage, making them difficult to analyze, certify, and deploy in constrained embedded systems. Join us for the first official webinar introducing wolfIP, a compact and deterministic TCP/IP stack designed specifically for embedded, real-time, and safety-critical environments. Register now: Introducing wolfIP: Deterministic TCP/IP […]

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Configure Server Name Indication (SNI) Control With wolfjsse.autoSNI

wolfSSL’s Java JSSE provider version 1.16.0 now includes support for the wolfjsse.autoSNI System property. This new feature allows developers to control how the Server Name Indication (SNI) extension is configured during the TLS handshake. Download wolfSSL → Understanding wolfjsse.autoSNI Property Server Name Indication (SNI) allows a client to specify the hostname it is attempting to […]

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wolfHSM Support for Renesas RH850 F1KM

wolfHSM provides a hardware security module framework optimized for embedded systems, with continuous enhancements for the Renesas RH850 platform. Download wolfSSL → The RH850 F1KM port is designed to align closely with upstream wolfHSM and wolfSSL development while taking advantage of RH850 hardware cryptographic acceleration. Ongoing improvements focus on performance, reliability, and maintainability. Key technical […]

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Rust support for post-quantum cryptography

wolfSSL is excited to announce the addition of post-quantum cryptographic algorithms in Rust to the wolfSSL 2026 roadmap! The planned additions to the wolfSSL Rust API include the ML-KEM, ML-DSA, LMS, XMSS, Falcon, and SPHINCS+ algorithms. These additions will bring direct support to Rust projects for the robust wolfSSL implementations of the most future-proof post-quantum […]

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