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_name": "ruby-webrick",
            "binary_version": "1.7.0-3ubuntu0.2"
        }
    ]
}

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

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

Ubuntu:25.04 / ruby-webrick

Package

Name: ruby-webrick
Purl: pkg:deb/ubuntu/ruby-webrick@1.8.1-1ubuntu1.1?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.8.1-1ubuntu1.1

Affected versions

1.*

1.8.1-1ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ruby-webrick",
            "binary_version": "1.8.1-1ubuntu1.1"
        }
    ]
}