CVE-2024-21647: Puma HTTP Request/Response Smuggling vulnerability

CVE-2024-21647 · Severity: low · CVSS 3.1 · Published 2024-01-08

Puma HTTP Request/Response Smuggling vulnerability

Technologies: puma (RubyGems). Vendors: RubyGems.

Quick answers

Is CVE-2024-21647 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2024-21647 being exploited in the wild.
How severe is CVE-2024-21647?
Low severity, with a CVSS score of 3.1, published 8 January 2024.
Which products and versions are affected?
puma (RubyGems) ECOSYSTEM:introduced=6.0.0,fixed=6.4.2.
Is there a fix for CVE-2024-21647?
Yes. puma (RubyGems): upgrade to 6.4.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2024-21647?
Check whether you run puma (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • puma (RubyGems): upgrade to 6.4.2 or later
    bundle update puma

Affected products

  • puma (RubyGems) ECOSYSTEM:introduced=6.0.0,fixed=6.4.2

Identifiers

  • CVE-2024-21647
  • GHSA-c2f4-cvqm-65w2

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