Denial of Service Vulnerabilities in Ruby Rack Across Fedora Versions

Linuxsecurity

Denial of Service Vulnerabilities in Ruby Rack Across Fedora Versions

First seen 2 Dec 2025, 18:33 UTC • •33.4

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ThreatCluster •March 12, 2026 at 13:27 UTC

Multiple versions of the Ruby Rack library have been found to have critical and moderate Denial of Service (DoS) vulnerabilities affecting Fedora distributions. Fedora 42 and 43 have released updates to address these issues, with Rack 2.2.21 and Rack 3.1.19 being the respective patched versions. Users of Fedora 41 are also advised to update due to critical log injection and DoS risks.

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