USN-5819-1

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Source
https://ubuntu.com/security/notices/USN-5819-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5819-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5819-1
Upstream
Related
Published
2023-01-23T14:21:02.802693Z
Modified
2025-07-16T08:56:13.352956Z
Summary
haproxy vulnerability
Details

It was discovered that HAProxy incorrectly handled certain messages. A remote attacker could possibly use this issue to cause HAProxy to stop responding, resulting in a denial of service.

References

Affected packages

Ubuntu:20.04:LTS / haproxy

Package

Name
haproxy
Purl
pkg:deb/ubuntu/haproxy@2.0.29-0ubuntu1.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.29-0ubuntu1.1

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "haproxy",
            "binary_version": "2.0.29-0ubuntu1.1"
        },
        {
            "binary_name": "haproxy-dbgsym",
            "binary_version": "2.0.29-0ubuntu1.1"
        },
        {
            "binary_name": "haproxy-doc",
            "binary_version": "2.0.29-0ubuntu1.1"
        },
        {
            "binary_name": "vim-haproxy",
            "binary_version": "2.0.29-0ubuntu1.1"
        }
    ]
}

Ubuntu:22.04:LTS / haproxy

Package

Name
haproxy
Purl
pkg:deb/ubuntu/haproxy@2.4.18-0ubuntu1.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.18-0ubuntu1.1

Affected versions

2.*

2.2.9-2ubuntu2
2.4.8-1
2.4.8-2ubuntu3
2.4.11-1ubuntu1
2.4.12-1ubuntu1
2.4.12-1ubuntu2
2.4.13-1ubuntu1
2.4.14-1ubuntu1
2.4.18-0ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "haproxy",
            "binary_version": "2.4.18-0ubuntu1.1"
        },
        {
            "binary_name": "haproxy-dbgsym",
            "binary_version": "2.4.18-0ubuntu1.1"
        },
        {
            "binary_name": "haproxy-doc",
            "binary_version": "2.4.18-0ubuntu1.1"
        },
        {
            "binary_name": "vim-haproxy",
            "binary_version": "2.4.18-0ubuntu1.1"
        }
    ]
}