Open Babel CIF File transform3d.cpp DescribeAsString out-of-bounds
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Open Babel | 3.1.0; 3.1.1 | 3.2.0 | Patch available | CNA |
| — | openbabel (PyPI) | before 3.2.0 | 3.2.0 | Patch available | GHSA-6xw4-2g22-26h8 |
- Open Babel Vendor— Affected 3.1.0; 3.1.1 Fixed in 3.2.0 Patch available CNA
- openbabel (PyPI) Vendor— Affected before 3.2.0 Fixed in 3.2.0 Patch available GHSA-6xw4-2g22-26h8
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openbabel:open_babel:*:*:*:*:*:*:*:* | up to 3.1.1 | Vulnerable | Open Babel |
- cpe:2.3:a:openbabel:open_babel:*:*:*:*:*:*:*:* Versions up to 3.1.1 Vulnerable ·Open Babel
Remediation
- Fix · CNA Open Babel Fixed in 3.2.0
- Fix · GHSA-6xw4-2g22-26h8 openbabel (PyPI) Fixed in 3.2.0 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-2704
- 2026-10-03 Alias added: GHSA-6xw4-2g22-26h8
References
Exploit 2
Patch 3
More Open Babel vulnerabilities
- TI-2022-22844 Memory corruption in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-22843 Memory corruption in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-22840 Memory corruption in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-22839 Heap-based buffer overflow in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-22838 Heap-based buffer overflow in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-21850 A use of uninitialized pointer vulnerability exists in the MSI format atom functionality… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-2704 · CVE Program
- CVE-2026-2704 · NVD
- FIRST EPSS
- GHSA-6xw4-2g22-26h8 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-2704 · Red Hat security data · CC BY 4.0
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