USN-8972-1

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-8972-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8972-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8972-1
Upstream
CVE (2)
Related
UBUNTU (2)
Published
2026-11-03T14:33:21Z
Modified
2026-11-04T03:43:09Z
Summary
haproxy vulnerabilities
Details

It was discovered that HAProxy incorrectly handled truncated HTTP/2 PING frames. A remote attacker could possibly use this issue to cause HAProxy to consume excessive CPU resources, leading to a denial of service. (CVE-2026-110353)

It was discovered that HAProxy incorrectly handled certain HTTP/1.1 chunked requests. A remote attacker could possibly use this issue to cause HAProxy to consume excessive CPU resources, leading to a denial of service. (CVE-2026-110354)

References

Affected packages

Ubuntu:22.04:LTS / haproxy

Package

Name
haproxy
Purl
pkg:deb/ubuntu/haproxy?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.30-0ubuntu0.22.04.3

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
2.4.18-0ubuntu1.1
2.4.18-0ubuntu1.2
2.4.18-0ubuntu1.3
2.4.22-0ubuntu0.22.04.1
2.4.22-0ubuntu0.22.04.2
2.4.22-0ubuntu0.22.04.3
2.4.24-0ubuntu0.22.04.1
2.4.24-0ubuntu0.22.04.2
2.4.24-0ubuntu0.22.04.3
2.4.29-0ubuntu0.22.04.1
2.4.30-0ubuntu0.22.04.1
2.4.30-0ubuntu0.22.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "haproxy",
            "binary_version": "2.4.30-0ubuntu0.22.04.3"
        },
        {
            "binary_name": "vim-haproxy",
            "binary_version": "2.4.30-0ubuntu0.22.04.3"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-110353",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-110354",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8972-1.json"

Ubuntu:24.04:LTS / haproxy

Package

Name
haproxy
Purl
pkg:deb/ubuntu/haproxy?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.8.30-0ubuntu0.24.04.2

Affected versions

2.*
2.6.15-1ubuntu2
2.8.5-1ubuntu1
2.8.5-1ubuntu2
2.8.5-1ubuntu3
2.8.5-1ubuntu3.1
2.8.5-1ubuntu3.2
2.8.5-1ubuntu3.3
2.8.5-1ubuntu3.4
2.8.15-0ubuntu0.24.04.1
2.8.16-0ubuntu0.24.04.1
2.8.16-0ubuntu0.24.04.2
2.8.16-0ubuntu0.24.04.3
2.8.30-0ubuntu0.24.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "haproxy",
            "binary_version": "2.8.30-0ubuntu0.24.04.2"
        },
        {
            "binary_name": "vim-haproxy",
            "binary_version": "2.8.30-0ubuntu0.24.04.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-110353",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-110354",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8972-1.json"

Ubuntu:26.10 / haproxy

Package

Name
haproxy
Purl
pkg:deb/ubuntu/haproxy?arch=source&distro=stonking

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.4.2-1ubuntu4.1

Affected versions

3.*
3.2.9-1ubuntu2
3.2.9-1ubuntu2.1
3.2.9-1ubuntu3
3.4.2-1ubuntu2
3.4.2-1ubuntu3
3.4.2-1ubuntu4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "haproxy",
            "binary_version": "3.4.2-1ubuntu4.1"
        },
        {
            "binary_name": "vim-haproxy",
            "binary_version": "3.4.2-1ubuntu4.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-110353",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-110354",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8972-1.json"

Ubuntu:26.04:LTS / haproxy

Package

Name
haproxy
Purl
pkg:deb/ubuntu/haproxy?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.2.25-0ubuntu0.26.04.2

Affected versions

3.*
3.0.10-1ubuntu3
3.2.9-1ubuntu1
3.2.9-1ubuntu2
3.2.9-1ubuntu2.1
3.2.9-1ubuntu2.2
3.2.25-0ubuntu0.26.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "haproxy",
            "binary_version": "3.2.25-0ubuntu0.26.04.2"
        },
        {
            "binary_name": "vim-haproxy",
            "binary_version": "3.2.25-0ubuntu0.26.04.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-110353",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-110354",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8972-1.json"