UBUNTU-CVE-2026-109144

Source
https://ubuntu.com/security/CVE-2026-109144
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109144.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-109144
Upstream
Published
2026-10-13T10:17:00Z
Modified
2026-10-17T12:58:02Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some unknown processing of the component Certificate Path Builder. Such manipulation leads to resource consumption. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

References

Affected packages

Ubuntu:24.04:LTS / python-certvalidator

Package

Name
python-certvalidator
Purl
pkg:deb/ubuntu/python-certvalidator?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.11.1-2
0.11.1-3
0.11.1-4

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "python3-certvalidator",
            "binary_version":  "0.11.1-4"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109144.json"

Ubuntu:26.10 / python-certvalidator

Package

Name
python-certvalidator
Purl
pkg:deb/ubuntu/python-certvalidator?arch=source&distro=stonking

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.11.1-4build1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "python3-certvalidator",
            "binary_version":  "0.11.1-4build1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109144.json"

Ubuntu:26.04:LTS / python-certvalidator

Package

Name
python-certvalidator
Purl
pkg:deb/ubuntu/python-certvalidator?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.11.1-4
0.11.1-4build1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "python3-certvalidator",
            "binary_version":  "0.11.1-4build1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-109144.json"