Published about 2 months ago
Category: Denial of Service
Source: GitHub
Severity: Severe

Vulnerability 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.

CVSS Metrics
Access Vector Access Complexity Authentication Confidentiality Impact Integrity Impact Availability Impact
n/a n/a n/a n/a n/a n/a
Patched Versions

~> 3.12.2 >= 4.3.1

Unaffected Versions