USN-6294-2

Source
https://ubuntu.com/security/notices/USN-6294-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6294-2.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6294-2
Upstream
Related
Published
2023-08-17T14:53:13.747495Z
Modified
2025-10-13T04:36:33Z
Summary
haproxy vulnerability
Details

USN-6294-1 fixed vulnerabilities in HAProxy. This update provides the corresponding updates for Ubuntu 20.04 LTS.

Original advisory details:

Ben Kallus discovered that HAProxy incorrectly handled empty Content-Length headers. A remote attacker could possibly use this issue to manipulate the payload and bypass certain restrictions.

References

Affected packages

Ubuntu:20.04:LTS / haproxy

Package

Name
haproxy
Purl
pkg:deb/ubuntu/haproxy@2.0.31-0ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.31-0ubuntu0.2

Affected versions

2.*

2.0.5-1
2.0.8-1
2.0.9-1
2.0.10-1
2.0.10-1ubuntu1
2.0.11-1ubuntu1
2.0.12-1ubuntu2
2.0.13-1ubuntu2
2.0.13-2
2.0.13-2ubuntu0.1
2.0.13-2ubuntu0.2
2.0.13-2ubuntu0.3
2.0.13-2ubuntu0.5
2.0.29-0ubuntu1
2.0.29-0ubuntu1.1
2.0.29-0ubuntu1.3
2.0.31-0ubuntu0.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "haproxy",
            "binary_version": "2.0.31-0ubuntu0.2"
        },
        {
            "binary_name": "vim-haproxy",
            "binary_version": "2.0.31-0ubuntu0.2"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2023-40225",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}