CVE-2026-2704
Open Babel CIF File transform3d.cpp DescribeAsString out-of-bounds
- State
- Published
- Severity
- 5.3 Medium
- Published
- Feb 19, 2026
- Updated
- May 28, 2026
- Reserved
- Feb 18, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Open Babeln/a |
|
References
- VDB-346650 | Open Babel CIF File transform3d.cpp DescribeAsString out-of-boundsvdb-entrytechnical-description
- VDB-346650 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #754378 | openbabel master-branch Heap-based Buffer Overflowthird-party-advisory
- https://github.com/openbabel/openbabel/issues/2848issue-tracking
- https://github.com/openbabel/openbabel/pull/2862issue-trackingpatch
- https://github.com/oneafter/0128/blob/main/ob1/repro.cifexploit
- https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08apatch
- https://github.com/openbabel/openbabel/releases/tag/openbabel-3-2-0patch
- https://github.com/openbabel/openbabel/security/advisories/GHSA-6xw4-2g22-26h8related
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