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Ruby 4.0.3 Released

calendar_today April 21, 2026 domain ruby

Ruby 4.0.3 has been released. This release only contains ERB 6.0.1.1, which fixes CVE-2026-41316 . If your application calls Marshal.load on untrusted data AND has both erb and activesupport loaded, please update your ERB to 4.0.3.1, 4.0.4.1, 6.0.1.1, 6.0.4 or later.

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