---
title: "Ruby 3.3.12 Released"
url: https://daily.dev/posts/ruby-3-3-12-released-tgxclh8f5
source_url: https://www.ruby-lang.org/en/news/2026/07/16/ruby-3-3-12-released
type: article
source: "Ruby"
published: 2026-07-16T05:38:40.210Z
updated: 2026-07-16T06:21:10.000Z
tags: ["security", "ruby"]
reading_time: 1
upvotes: 0
comments: 0
language: en
---

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# Ruby 3.3.12 Released

**[Ruby](https://daily.dev/sources/ruby)** · 1 min read · 0 upvotes · 0 comments

## Summary

Ruby 3.3.12 has been released, focusing primarily on security fixes. The release updates the default gem erb to 4.0.3.1 and the bundled gem net-imap to 0.4.25. The net-imap update addresses seven CVEs: CVE-2026-42245, CVE-2026-42246, CVE-2026-42256, CVE-2026-42257, CVE-2026-42258, CVE-2026-47240, CVE-2026-47241, and CVE-2026-47242. Download links with checksums are provided for tar.gz, tar.xz, and zip formats.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.ruby-lang.org/en/news/2026/07/16/ruby-3-3-12-released>

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---

Tags: [#security](https://daily.dev/tags/security), [#ruby](https://daily.dev/tags/ruby)

[View this post on daily.dev](https://daily.dev/posts/ruby-3-3-12-released-tgxclh8f5)