UBUNTU-CVE-2026-118589

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Source
https://ubuntu.com/security/CVE-2026-118589
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118589.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-118589
Upstream
Published
2026-10-29T00:00:00Z
Modified
2026-10-29T20:03:06Z
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 weakness has been identified in nschloe meshio up to 5.3.5. Impacted is an unknown function of the file meshio/_vtk_42.py of the component VTK Reader. Executing a manipulation of the argument DIMENSIONS can lead to uncontrolled memory allocation. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet.

References

Affected packages

Ubuntu:18.04:LTS
python-meshio

Package

Name
python-meshio
Purl
pkg:deb/ubuntu/python-meshio?arch=source&distro=bionic

Affected ranges

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

Affected versions

1.*
1.8.16-1
1.8.17-1
1.9.3-1
1.11.7-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "meshio-tools",
            "binary_version":  "1.11.7-1"
        },
        {
            "binary_name":  "python3-meshio",
            "binary_version":  "1.11.7-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118589.json"
Ubuntu:20.04:LTS
python-meshio

Package

Name
python-meshio
Purl
pkg:deb/ubuntu/python-meshio?arch=source&distro=focal

Affected ranges

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

Affected versions

3.*
3.1.6-1
3.1.6-1ubuntu1
3.3.1-1ubuntu1
4.*
4.0.4-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "meshio-tools",
            "binary_version":  "4.0.4-1"
        },
        {
            "binary_name":  "python3-meshio",
            "binary_version":  "4.0.4-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118589.json"
Ubuntu:22.04:LTS
python-meshio

Package

Name
python-meshio
Purl
pkg:deb/ubuntu/python-meshio?arch=source&distro=jammy

Affected ranges

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

Affected versions

4.*
4.4.6-1ubuntu1
5.*
5.0.3-2
5.3.0-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "meshio-tools",
            "binary_version":  "5.3.0-1"
        },
        {
            "binary_name":  "python3-meshio",
            "binary_version":  "5.3.0-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118589.json"
Ubuntu:24.04:LTS
python-meshio

Package

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

Affected ranges

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

Affected versions

7.*
7.0.0-3
7.0.0-really-5.3.5-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "meshio-tools",
            "binary_version":  "7.0.0-really-5.3.5-1"
        },
        {
            "binary_name":  "python3-meshio",
            "binary_version":  "7.0.0-really-5.3.5-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118589.json"
Ubuntu:26.04:LTS
python-meshio

Package

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

Affected ranges

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

Affected versions

7.*
7.0.0-really-5.3.5-6

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "meshio-tools",
            "binary_version":  "7.0.0-really-5.3.5-6"
        },
        {
            "binary_name":  "python3-meshio",
            "binary_version":  "7.0.0-really-5.3.5-6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118589.json"
Ubuntu:26.10
python-meshio

Package

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

Affected ranges

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

Affected versions

7.*
7.0.0-really-5.3.5-6
7.0.0-really-5.3.5-7

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "meshio-tools",
            "binary_version":  "7.0.0-really-5.3.5-7"
        },
        {
            "binary_name":  "python3-meshio",
            "binary_version":  "7.0.0-really-5.3.5-7"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118589.json"