webrick-1.8.1.gem: 1 vulnerabilities (highest severity is: 5.9)

[mend-bolt-for-github]

Vulnerable Library - webrick-1.8.1.gem

WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy server, and a virtual-host server.

Library home page: https://rubygems.org/gems/webrick-1.8.1.gem

Path to dependency file: /web/Gemfile.lock

Path to vulnerable library: /web/vendor/cache/webrick-1.8.1.gem

Found in HEAD commit: c27524e670d3ab98f2167091ca55e4795d6dd6c8

Vulnerabilities

Vulnerability	Severity	CVSS	Dependency	Type	Fixed in (webrick version)	Remediation Possible**
CVE-2025-6442	Medium	5.9	webrick-1.8.1.gem	Direct	webrick - 1.8.2,https://github.com/ruby/webrick.git - v1.8.2	❌

**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation

Details

CVE-2025-6442

Vulnerable Library - webrick-1.8.1.gem

WEBrick is an HTTP server toolkit that can be configured as an HTTPS server, a proxy server, and a virtual-host server.

Library home page: https://rubygems.org/gems/webrick-1.8.1.gem

Path to dependency file: /web/Gemfile.lock

Path to vulnerable library: /web/vendor/cache/webrick-1.8.1.gem

Dependency Hierarchy:

• ❌ webrick-1.8.1.gem (Vulnerable Library)

Found in HEAD commit: c27524e670d3ab98f2167091ca55e4795d6dd6c8

Found in base branch: main

Vulnerability Details

Ruby WEBrick read_header HTTP Request Smuggling Vulnerability

Publish Date: 2025-06-25

URL: CVE-2025-6442

CVSS 3 Score Details (5.9)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: High
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2025-06-22

Fix Resolution: webrick - 1.8.2,https://github.com/ruby/webrick.git - v1.8.2

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