USN-5551-1

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Source
https://ubuntu.com/security/notices/USN-5551-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5551-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5551-1
Upstream
Related
Published
2022-08-04T16:17:14.941527Z
Modified
2025-09-08T16:37:28Z
Summary
mod-wsgi vulnerability
Details

It was discovered that mod-wsgi did not correctly remove the X-Client-IP header when processing requests from untrusted proxies. A remote attacker could use this issue to pass the header to WSGI applications, contrary to expectations.

References

Affected packages

Ubuntu:18.04:LTS / mod-wsgi

Package

Name
mod-wsgi
Purl
pkg:deb/ubuntu/mod-wsgi@4.5.17-1ubuntu1.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.5.17-1ubuntu1.1

Affected versions

4.*

4.5.17-1
4.5.17-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libapache2-mod-wsgi",
            "binary_version": "4.5.17-1ubuntu1.1"
        },
        {
            "binary_name": "libapache2-mod-wsgi-py3",
            "binary_version": "4.5.17-1ubuntu1.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / mod-wsgi

Package

Name
mod-wsgi
Purl
pkg:deb/ubuntu/mod-wsgi@4.6.8-1ubuntu3.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.6.8-1ubuntu3.1

Affected versions

4.*

4.6.5-1
4.6.8-0ubuntu1
4.6.8-1
4.6.8-1build1
4.6.8-1ubuntu1
4.6.8-1ubuntu2
4.6.8-1ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libapache2-mod-wsgi",
            "binary_version": "4.6.8-1ubuntu3.1"
        },
        {
            "binary_name": "libapache2-mod-wsgi-py3",
            "binary_version": "4.6.8-1ubuntu3.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:22.04:LTS / mod-wsgi

Package

Name
mod-wsgi
Purl
pkg:deb/ubuntu/mod-wsgi@4.9.0-1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.0-1ubuntu0.1

Affected versions

4.*

4.7.1-3build2
4.9.0-1
4.9.0-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libapache2-mod-wsgi-py3",
            "binary_version": "4.9.0-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}