USN-7709-1

It was discovered that WEBrick incorrectly parsed HTTP headers. In configurations where WEBrick is placed behind an HTTP proxy, a remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack.

References

Affected packages

Ubuntu:22.04:LTS / ruby-webrick

Package

Name: ruby-webrick
Purl: pkg:deb/ubuntu/ruby-webrick@1.7.0-3ubuntu0.2?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.7.0-3ubuntu0.2

Affected versions

1.*

1.7.0-1

1.7.0-2

1.7.0-3

1.7.0-3ubuntu0.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.7.0-3ubuntu0.2",
            "binary_name": "ruby-webrick"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-6442"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7709-1.json"

Ubuntu:24.04:LTS / ruby-webrick