USN-7709-1

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Source
https://ubuntu.com/security/notices/USN-7709-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7709-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7709-1
Upstream
Related
Published
2025-08-21T13:53:54Z
Modified
2026-04-24T10:04:27.569118Z
Summary
ruby-webrick vulnerability
Details

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 

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

Database specific

cves_map 
{
    "cves": [],
    "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

Package

Name
ruby-webrick
Purl
pkg:deb/ubuntu/ruby-webrick@1.8.1-1ubuntu0.2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.1-1ubuntu0.2

Affected versions

1.*
1.8.1-1
1.8.1-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-webrick",
            "binary_version": "1.8.1-1ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "cves": [],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7709-1.json"