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Oracle Solaris 11.4 SRU95 removes NTLM authentication and updates GCC to 16
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Oracle released Solaris 11.4 SRU95, which removes legacy NTLM authentication for local users and updates core development tools including GCC 16 and a wide range of open-source components.
The removal of NTLM authentication forces administrators to verify that their local user authentication configurations rely on NTLMv2 or other supported methods to avoid access failures. The inclusion of GCC 16 and updated language runtimes like Go 1.25.11 and Rust 1.96.0 provides a modernized development environment within the Solaris ecosystem.
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NTLM authentication for local users is deprecated and removed, leaving only NTLMv2 supported.
GCC 16 is introduced, with GCC 13 scheduled for removal in the next version.
The release updates numerous open-source components, including Ansible Core 2.21.1, Apache HTTP Server 2.4.67, and MySQL 8.4.10.
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Oracle Solaris 11.4 SRU95 represents a significant maintenance update for the commercial branch of the operating system. The release focuses on refreshing the underlying platform, runtime, and developer toolchains. By updating a broad set of components, Oracle aims to keep the Solaris environment current with modern software standards.
A critical security change in this release is the deprecation and removal of NTLM authentication for local users. Only NTLMv2 is now supported, which eliminates a legacy protocol known for security vulnerabilities. This change requires administrators to audit their authentication setups to ensure compatibility with the stricter security requirements.
The development toolchain has also seen substantial updates, most notably the introduction of GCC 16. GCC 13 is slated for removal in the next version, signaling a shift toward newer compiler capabilities. Additionally, the release includes updated versions of popular languages and frameworks such as Go 1.25.11, Rust 1.96.0, and Python modules.
Beyond compilers, the update touches on web servers, databases, and desktop applications. Notable updates include Apache HTTP Server 2.4.67, MySQL 8.4.10, and Firefox 140.10.0esr. These changes ensure that organizations running Solaris have access to patched and updated versions of common enterprise software.
The release notes indicate that SRU95 addresses low-level and esoteric changes within the Solaris kernel and libraries. While the headline features focus on user-facing tools, the underlying platform updates are essential for maintaining system stability and security. Engineers should review the detailed release notes to understand the specific impact on their workloads.
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