USN-5042-1

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Source
https://ubuntu.com/security/notices/USN-5042-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5042-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5042-1
Related
Published
2021-08-17T17:01:00.195817Z
Modified
2025-07-16T04:43:15Z
Summary
haproxy vulnerabilities
Details

It was discovered that HAProxy incorrectly handled the HTTP/2 protocol. A remote attacker could possibly use this issue to bypass restrictions.

References

Affected packages

Ubuntu:20.04:LTS / haproxy

Package

Name
haproxy
Purl
pkg:deb/ubuntu/haproxy@2.0.13-2ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.13-2ubuntu0.2

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "haproxy",
            "binary_version": "2.0.13-2ubuntu0.2"
        },
        {
            "binary_name": "haproxy-dbgsym",
            "binary_version": "2.0.13-2ubuntu0.2"
        },
        {
            "binary_name": "haproxy-doc",
            "binary_version": "2.0.13-2ubuntu0.2"
        },
        {
            "binary_name": "vim-haproxy",
            "binary_version": "2.0.13-2ubuntu0.2"
        }
    ],
    "availability": "No subscription required"
}