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🚨 [security] Update rack: 2.2.6.3 → 2.2.6.4 (patch)

Depfu Bot requested to merge depfu/update/rack-2.2.6.4 into main

🚨 Your current dependencies have known security vulnerabilities 🚨

This dependency update fixes known security vulnerabilities. Please see the details below and assess their impact carefully. We recommend to merge and deploy this as soon as possible!

Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

↗️ rack (indirect, 2.2.6.3 → 2.2.6.4) · Repo · Changelog
Security Advisories 🚨

🚨 Possible Denial of Service Vulnerability in Rack’s header parsing

There is a denial of service vulnerability in the header parsing component of Rack. This vulnerability has been assigned the CVE identifier CVE-2023-27539.

Versions Affected: >= 2.0.0 Not affected: None. Fixed Versions: 2.2.6.4, 3.0.6.1

Impact

Carefully crafted input can cause header parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse headers using Rack (virtually all Rails applications) are impacted.

Workarounds

Setting Regexp.timeout in Ruby 3.2 is a possible workaround.

Commits

See the full diff on Github. The new version differs by 2 commits:

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