vulnerability
Debian: CVE-2025-6442: ruby-webrick -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:M/Au:N/C:P/I:C/A:N) | Jun 25, 2025 | Jun 27, 2025 | Aug 15, 2025 |
Severity
8
CVSS
(AV:N/AC:M/Au:N/C:P/I:C/A:N)
Published
Jun 25, 2025
Added
Jun 27, 2025
Modified
Aug 15, 2025
Description
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.
Solution
no-fix-debian-deb-package
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.