UBUNTU-CVE-2025-6442
- Source
- https://ubuntu.com/security/CVE-2025-6442
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-6442.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2025-6442
- Related
- Published
- 2025-06-25T17:15:00Z
- Modified
- 2025-06-26T17:20:59Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
Ruby WEBrick readheader 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 readheaders 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.
- References
Affected packages
Ubuntu:22.04:LTS / ruby-webrick
Package
- Name
- ruby-webrick
- Purl
- pkg:deb/ubuntu/ruby-webrick@1.7.0-3ubuntu0.1?arch=source&distro=jammy
Ubuntu:24.10 / ruby-webrick
Package
- Name
- ruby-webrick
- Purl
- pkg:deb/ubuntu/ruby-webrick@1.8.1-1ubuntu1?arch=source&distro=oracular
Ubuntu:24.04:LTS / ruby-webrick
Package
- Name
- ruby-webrick
- Purl
- pkg:deb/ubuntu/ruby-webrick@1.8.1-1ubuntu0.1?arch=source&distro=noble