🚨 [security] Update puma: 3.12.1 → 3.12.2 (patch)

[depfu]

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🚨 Your version of puma has known security vulnerabilities 🚨

Advisory: CVE-2019-16770
Disclosed: December 05, 2019
URL: https://github.com/puma/puma/security/advisories/GHSA-7xx3-m584-x994

Keepalive thread overload/DoS in puma

A poorly-behaved client could use keepalive requests to monopolize
Puma's reactor and create a denial of service attack.

If more keepalive connections to Puma are opened than there are
threads available, additional connections will wait permanently if
the attacker sends requests frequently enough.

🚨 We recommend to merge and deploy this update as soon as possible! 🚨

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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?

✳️ puma (3.12.1 → 3.12.2) · Repo · Changelog

Commits

See the full diff on Github. The new version differs by 3 commits:

• 3.12.2
• 4.3.1 and 4.2.1 release notes
• Merge pull request from GHSA-7xx3-m584-x994

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