CVE-2026-46727: Use-after-free in pthread-based getaddrinfo timeout handler

16-Jul-2026 11
A use-after-free vulnerability has been discovered in the pthread-based getaddrinfo timeout handler of Ruby. This vulnerability has been assigned the CVE identifier CVE-2026-46727. This issue has been fixed in Ruby 4.0.5. We recommend upgrading Ruby. Details A race condition e...
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