Upgrade Ruby 4.0.1 → 4.0.5#1419
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Patch-level bump within the 4.0.x series to pick up security fixes: - CVE-2026-41316: ERB deserialization RCE (fixed in 4.0.3) - CVE-2026-46727: use-after-free in getaddrinfo timeout / DoS (fixed in 4.0.5) No application code changes; CI reads .ruby-version via ruby/setup-ruby. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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rodrieiz
marked this pull request as ready for review
July 13, 2026 18:59
enzofab91
approved these changes
Jul 13, 2026
andresg4
approved these changes
Jul 14, 2026
jpascual1994
approved these changes
Jul 14, 2026
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What
Patch-level upgrade of Ruby within the 4.0.x series: 4.0.1 → 4.0.5 (latest stable).
Why
Two security fixes landed in the 4.0.x line since 4.0.1:
Marshal.loaduntrusted data witherb+activesupportloaded (i.e. any Rails app).getaddrinfotimeout path → remote DoS via delayed DNS responses.Changes
.ruby-version,Dockerfile,Dockerfile.dev:4.0.1→4.0.5Gemfile.lockRUBY VERSIONstanza:4.0.1p0→4.0.5p0No application code changes. It's an ABI-compatible patch bump — no gem changes, no syntax changes.
CI needs no changes:
ruby/setup-ruby@v1reads.ruby-versionautomatically.Verification (local, on Ruby 4.0.5)
bundle install(plain, no flags) → clean, empty lockfile diffbundle exec rubocop→ 136 files, 0 offensesbundle exec rspec→ 119 examples, 0 failures (92% coverage)🤖 Generated with Claude Code