USN-4321-1

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Source
https://ubuntu.com/security/notices/USN-4321-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4321-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4321-1
Upstream
Related
Published
2020-04-07T12:10:42.548663Z
Modified
2025-10-13T04:35:06Z
Summary
haproxy vulnerability
Details

Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests. An attacker could possibly use this to execute arbitrary code.

References

Affected packages

Ubuntu:18.04:LTS / haproxy

Package

Name
haproxy
Purl
pkg:deb/ubuntu/haproxy@1.8.8-1ubuntu0.10?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.8-1ubuntu0.10

Affected versions

1.*

1.7.9-1ubuntu1
1.7.9-1ubuntu2
1.8.4-1
1.8.7-1
1.8.8-1
1.8.8-1ubuntu0.1
1.8.8-1ubuntu0.2
1.8.8-1ubuntu0.3
1.8.8-1ubuntu0.4
1.8.8-1ubuntu0.6
1.8.8-1ubuntu0.7
1.8.8-1ubuntu0.8
1.8.8-1ubuntu0.9

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "haproxy",
            "binary_version": "1.8.8-1ubuntu0.10"
        },
        {
            "binary_name": "vim-haproxy",
            "binary_version": "1.8.8-1ubuntu0.10"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2020-11100"
        }
    ]
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4321-1.json"