Bump rack from 3.1.16 to 3.1.18

[dependabot[bot]]

Bumps rack from 3.1.16 to 3.1.18.

Changelog

Sourced from rack's changelog.

Changelog

All notable changes to this project will be documented in this file. For info on how to format all future additions to this file please reference Keep A Changelog.

Unreleased

Security

• CVE-2025-61780 Improper handling of headers in Rack::Sendfile may allow proxy bypass.
• CVE-2025-61919 Unbounded read in Rack::Request form parsing can lead to memory exhaustion.

SPEC Changes

• Define rack.response_finished callback arguments more strictly. (#2365, @​skipkayhil)

Added

• Add Rack::Files#assign_headers to allow overriding how the configured file headers are set. (#2377, @​codergeek121)
• Add support for rack.response_finished to Rack::TempfileReaper. (#2363, @​skipkayhil)
• Add support for streaming bodies when using Rack::Events. (#2375, @​unflxw)

Changed

• Raise before exceeding a part limit, not after. (#2362, @​matthew-puku)
• Rack::Deflater now uses a fixed GZip mtime value. (#2372, @​bensheldon)

[3.2.2] - 2025-10-07

Security

• CVE-2025-61772 Multipart parser buffers unbounded per-part headers, enabling DoS (memory exhaustion)
• CVE-2025-61771 Multipart parser buffers large non‑file fields entirely in memory, enabling DoS (memory exhaustion)
• CVE-2025-61770 Unbounded multipart preamble buffering enables DoS (memory exhaustion)

[3.2.1] -- 2025-09-02

Added

• Add support for streaming bodies when using Rack::Events. (#2375, @​unflxw)

Fixed

• Fix an issue where a NoMethodError would be raised when using Rack::Events with streaming bodies. (#2375, @​unflxw)

[3.2.0] - 2025-07-31

This release continues Rack's evolution toward a cleaner, more efficient foundation while maintaining backward compatibility for most applications. The breaking changes primarily affect deprecated functionality, so most users should experience a smooth upgrade with improved performance and standards compliance.

SPEC Changes

... (truncated)

Commits

• 96cf078 Bump patch version.
• cbd541e Unbounded read in Rack::Request form parsing can lead to memory exhaustion.
• 7e69f65 Improper handling of proxy headers in Rack::Sendfile may allow proxy bypass.
• db6bc0f Normalize adivsories links.
• ad81f80 Fix handling of Errno::EPIPE in multipart tests.
• 8d141b3 Bump patch version.
• f224f93 Limit amount of retained data when parsing multipart requests
• e08f78c Fix denial of service vulnerbilties in multipart parsing
• 02ffd94 Add changelog for v3.1.16
• See full diff in compare view

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