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ruby-webrick vulnerabilities

Vulnerabilities published for ruby-webrick in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerabilities: 1

  1. CVE-2025-6442

    Medium · CVSS 6.5EPSS 0.5%Fix available

    Ruby WEBrick read_header HTTP Request Smuggling Vulnerability

    Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.

    ruby-webrickOperating systems
    • Update to 1.9.1-1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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