Ruby is...

A dynamic, open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write.

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Security advisories: CVE-2025-27219, CVE-2025-27220 and CVE-2025-27221

We published security advisories for CVE-2025-27219, CVE-2025-27220 and CVE-2025-27221. Please read the details below.

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Ruby 3.4.2 Released

Ruby 3.4.2 has been released.

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CVE-2025-25186: DoS vulnerability in net-imap

There is a possibility for DoS by in the net-imap gem. This vulnerability has been assigned the CVE identifier CVE-2025-25186. We recommend upgrading the net-imap gem.

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Ruby 3.2.7 Released

Ruby 3.2.7 has been released.

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