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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wolfTPM – Add TPM 2.0 v1.85 PQC Post-Quantum Support

As the cybersecurity landscape prepares for the advent of quantum computing, the Trusted Platform Module (TPM) ecosystem is evolving to meet these new challenges. wolfSSL is proud to announce that wolfTPM now includes initial support for the TPM 2.0 Library Specification v1.85, bringing Post-Quantum Cryptography (PQC) capabilities to your hardware-backed security workflows. This update introduces […]

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Vulnerability Disclosure: wolfSSL CVE-2025-7394

Affected Users: Applications using wolfSSL’s OpenSSL compatibility layer before wolfSSL version 5.8.2 that call both RAND_bytes() and fork() operations. This does not affect internal TLS operations or applications that do not explicitly use RAND_bytes(). Summary: A vulnerability was discovered in wolfSSL’s OpenSSL compatibility layer where the RAND_poll() function was not behaving as expected, leading to […]

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Vulnerability Disclosure: wolfSSL Fault Injection Attack on ECC and Ed25519 Verify Operations

Affected Users: Users performing ECC or Ed25519 signature verification operations on devices that may be susceptible to fault injection attacks, particularly in security-critical applications such as secure boot implementations. Summary: A potential vulnerability to fault injection attacks was identified in wolfSSL’s ECC and Ed25519 signature verification operations. Fault injection is a sophisticated physical attack technique […]

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wolfSSH v1.4.22 Release

Look at that! wolfSSH had another release. New year, new version. Welcome to wolfSSH v1.4.22. This is mainly a bug fix release. We’ve improved interoperability with other implementations of SSH. We’ve improved the build process with several IDEs, Zephyr, and LwIP. We also added an SFTP client example for the Renesas RX72N platform. There is […]

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Getting Started with wolfSSL – Part 2: Configuration, Embedded Porting, and Advanced TLS Features

Learn how to configure, extend, and troubleshoot secure TLS applications with wolfSSL. Following Part 1 of our Getting Started with wolfSSL webinar series, Part 2 dives deeper into the topics developers encounter once basic TLS integration is complete. This session focuses on configuration, embedded deployment, and advanced TLS features used in real-world systems. Led by […]

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Bringing FIPS 140-3 to Proxmox Virtual Environments with wolfCrypt-FIPS

Organizations in government, healthcare, finance, and critical infrastructure sectors are required to meet stringent compliance standards, and FIPS 140-3 certification has become a key requirement for cryptographic modules used in regulated environments. wolfSSL is uniquely positioned to help bring this level of certification to Proxmox Virtual Environment (PVE), one of the most popular open-source virtualization […]

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Vulnerability Disclosure: wolfSSL (CVE-2025-7395)

Affected Users: Anyone using wolfSSL on Apple platforms with versions after 5.6.4 and before 5.8.0, specifically when built with WOLFSSL_SYS_CA_CERTS and WOLFSSL_APPLE_NATIVE_CERT_VALIDATION enabled (default for non-macOS Apple targets when using autotools or CMake). Summary: When using system CA certificates and Apple native certificate validation on Apple platforms, the native trust store verification routine incorrectly overrides […]

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Kick Off 2026 with wolfSSL: Two-Part Getting Started with wolfSSL Webinar

Learn how to build, configure, and debug secure TLS applications with wolfSSL. Join us for this two-part technical webinar series, Getting Started with wolfSSL. These sessions walk through the fundamentals of wolfSSL—from building the library to integrating TLS into real applications. Led by wolfSSL Engineering Manager Chris Conlon, the series focuses on practical concepts, core […]

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