UBUNTU-CVE-2026-2704

Source
https://ubuntu.com/security/CVE-2026-2704
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2704.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-2704
Upstream
Published
2026-02-19T07:17:00Z
Modified
2026-09-16T14:01:50Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVSS Calculator
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H CVSS Calculator
  • 2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.

References

Affected packages

Ubuntu:16.04:LTS
openbabel

Package

Name
openbabel
Purl
pkg:deb/ubuntu/openbabel?arch=source&distro=xenial

Affected ranges

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

Affected versions

2.*
2.3.2+dfsg-2.2
2.3.2+dfsg-2.2build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libchemistry-openbabel-perl",
            "binary_version": "2.3.2+dfsg-2.2build1"
        },
        {
            "binary_name": "libopenbabel4v5",
            "binary_version": "2.3.2+dfsg-2.2build1"
        },
        {
            "binary_name": "openbabel",
            "binary_version": "2.3.2+dfsg-2.2build1"
        },
        {
            "binary_name": "openbabel-gui",
            "binary_version": "2.3.2+dfsg-2.2build1"
        },
        {
            "binary_name": "python-openbabel",
            "binary_version": "2.3.2+dfsg-2.2build1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2704.json"
Ubuntu:18.04:LTS
openbabel

Package

Name
openbabel
Purl
pkg:deb/ubuntu/openbabel?arch=source&distro=bionic

Affected ranges

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

Affected versions

2.*
2.3.2+dfsg-3build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libchemistry-openbabel-perl",
            "binary_version": "2.3.2+dfsg-3build1"
        },
        {
            "binary_name": "libopenbabel4v5",
            "binary_version": "2.3.2+dfsg-3build1"
        },
        {
            "binary_name": "openbabel",
            "binary_version": "2.3.2+dfsg-3build1"
        },
        {
            "binary_name": "openbabel-gui",
            "binary_version": "2.3.2+dfsg-3build1"
        },
        {
            "binary_name": "python-openbabel",
            "binary_version": "2.3.2+dfsg-3build1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2704.json"
Ubuntu:20.04:LTS
openbabel

Package

Name
openbabel
Purl
pkg:deb/ubuntu/openbabel?arch=source&distro=focal

Affected ranges

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

Affected versions

2.*
2.4.1+dfsg-3
2.4.1+dfsg-3build1
2.4.1+dfsg-5.1
2.4.1+dfsg-6
3.*
3.0.0+dfsg-3
3.0.0+dfsg-3ubuntu3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libchemistry-openbabel-perl",
            "binary_version": "3.0.0+dfsg-3ubuntu3"
        },
        {
            "binary_name": "libopenbabel6",
            "binary_version": "3.0.0+dfsg-3ubuntu3"
        },
        {
            "binary_name": "openbabel",
            "binary_version": "3.0.0+dfsg-3ubuntu3"
        },
        {
            "binary_name": "openbabel-gui",
            "binary_version": "3.0.0+dfsg-3ubuntu3"
        },
        {
            "binary_name": "python3-openbabel",
            "binary_version": "3.0.0+dfsg-3ubuntu3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2704.json"
Ubuntu:22.04:LTS
openbabel

Package

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

Affected ranges

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

Affected versions

3.*
3.1.1+dfsg-6ubuntu1
3.1.1+dfsg-6ubuntu5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libchemistry-openbabel-perl",
            "binary_version": "3.1.1+dfsg-6ubuntu5"
        },
        {
            "binary_name": "libopenbabel7",
            "binary_version": "3.1.1+dfsg-6ubuntu5"
        },
        {
            "binary_name": "openbabel",
            "binary_version": "3.1.1+dfsg-6ubuntu5"
        },
        {
            "binary_name": "openbabel-gui",
            "binary_version": "3.1.1+dfsg-6ubuntu5"
        },
        {
            "binary_name": "python3-openbabel",
            "binary_version": "3.1.1+dfsg-6ubuntu5"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2704.json"
Ubuntu:24.04:LTS
openbabel

Package

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

Affected ranges

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

Affected versions

3.*
3.1.1+dfsg-9build2
3.1.1+dfsg-9ubuntu1
3.1.1+dfsg-9ubuntu2
3.1.1+dfsg-9ubuntu4
3.1.1+dfsg-9ubuntu5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libchemistry-openbabel-perl",
            "binary_version": "3.1.1+dfsg-9ubuntu5"
        },
        {
            "binary_name": "libopenbabel7",
            "binary_version": "3.1.1+dfsg-9ubuntu5"
        },
        {
            "binary_name": "openbabel",
            "binary_version": "3.1.1+dfsg-9ubuntu5"
        },
        {
            "binary_name": "openbabel-gui",
            "binary_version": "3.1.1+dfsg-9ubuntu5"
        },
        {
            "binary_name": "python3-openbabel",
            "binary_version": "3.1.1+dfsg-9ubuntu5"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2704.json"
Ubuntu:25.10
openbabel

Package

Name
openbabel
Purl
pkg:deb/ubuntu/openbabel?arch=source&distro=questing

Affected ranges

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

Affected versions

3.*
3.1.1+dfsg-11ubuntu3
3.1.1+dfsg-11ubuntu4

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libchemistry-openbabel-perl",
            "binary_version": "3.1.1+dfsg-11ubuntu4"
        },
        {
            "binary_name": "libopenbabel7",
            "binary_version": "3.1.1+dfsg-11ubuntu4"
        },
        {
            "binary_name": "openbabel",
            "binary_version": "3.1.1+dfsg-11ubuntu4"
        },
        {
            "binary_name": "openbabel-gui",
            "binary_version": "3.1.1+dfsg-11ubuntu4"
        },
        {
            "binary_name": "python3-openbabel",
            "binary_version": "3.1.1+dfsg-11ubuntu4"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2704.json"
Ubuntu:26.04:LTS
openbabel

Package

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

Affected ranges

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

Affected versions

3.*
3.1.1+dfsg-11ubuntu4
3.1.1+dfsg-11ubuntu5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libchemistry-openbabel-perl",
            "binary_version": "3.1.1+dfsg-11ubuntu5"
        },
        {
            "binary_name": "libopenbabel7",
            "binary_version": "3.1.1+dfsg-11ubuntu5"
        },
        {
            "binary_name": "openbabel",
            "binary_version": "3.1.1+dfsg-11ubuntu5"
        },
        {
            "binary_name": "openbabel-gui",
            "binary_version": "3.1.1+dfsg-11ubuntu5"
        },
        {
            "binary_name": "python3-openbabel",
            "binary_version": "3.1.1+dfsg-11ubuntu5"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2704.json"