Ruby 4.0.5 Released

T1Covered by 1 source · first reported by Language blogs: Rust / Go / TypeScript / Swift / Kotlin / Java / .NET / Ruby / PHP / Elixir / ISO C++ at 20 May, 00:12 UTC

Ruby 4.0.5 has been released. This release only contains a security fix for CVE-2026-46727: Use-after-free in pthread-based getaddrinfo timeout handler and a build system regression in Ruby 4.0.4 under C locale [Bug #22065]. Please see the GitHub releases for further details. Release Schedule We…

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Sources

• T1Ruby 4.0.5 ReleasedLanguage blogs: Rust / Go / TypeScript / Swift / Kotlin / Java / .NET / Ruby / PHP / Elixir / ISO C++20 May, 00:12

Vulnerabilities

• CVE-2026-46727