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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Open Babel | 3.1.0, 3.1.1 | 3.2.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | openbabel | 3.2.0+dfsg-1 | — |
| Debian 13 | openbabel | No fix yet | — |
| Debian 12 | openbabel | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | openbabel | No fix yet | — |
| Ubuntu 26.04 LTS | openbabel | No fix yet | — |
| Ubuntu 25.10 | openbabel | No fix yet | — |
| Ubuntu 24.04 LTS | openbabel | No fix yet | — |
| Ubuntu 22.04 LTS | openbabel | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | openbabel | No fix yet | — |
| Ubuntu 18.04 LTS | openbabel | No fix yet | — |
| Ubuntu 16.04 LTS | openbabel | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | openbabel | 3.2.0-2.1 | openSUSE-SU-2026:11096-1 |
| openSUSE Leap 16.0 | openbabel | 3.2.0-bp160.1.1 | openSUSE-SU-2026:21190-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | openbabel | < 3.2.0 | 3.2.0 | GHSA-6xw4-2g22-26h8 |
Advisories 2
- openSUSE-SU-2026:21190-1 Security update for openbabel SUSE / openSUSE Security Updates · Jul 3, 2026
- openSUSE-SU-2026:11096-1 libopenbabel8-3.2.0-2.1 on GA media SUSE / openSUSE Security Updates · Jun 24, 2026
References
- VDB-346650 | Open Babel CIF File transform3d.cpp DescribeAsString out-of-bounds vdb-entry technical-description
- VDB-346650 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #754378 | openbabel master-branch Heap-based Buffer Overflow third-party-advisory
- https://github.com/openbabel/openbabel/issues/2848 issue-tracking
- https://github.com/openbabel/openbabel/pull/2862 issue-tracking patch
- https://github.com/oneafter/0128/blob/main/ob1/repro.cif exploit
- https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a patch
- https://github.com/openbabel/openbabel/releases/tag/openbabel-3-2-0 patch
- https://github.com/openbabel/openbabel/security/advisories/GHSA-6xw4-2g22-26h8 related