CVE-2026-2704

4.3 MEDIUM

A security vulnerability has been detected in Open Babel up to 3.1.1

Published: 2026-02-19 · Last updated: 2026-05-28

Severity and scoring

CVSS: 4.3 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CWE: CWE-119, CWE-125

Affected products

Vendor	Product
openbabel	open_babel

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-2704
[Other]https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a
[Exploit reference]https://github.com/oneafter/0128/blob/main/ob1/repro.cif
[Exploit reference]https://github.com/openbabel/openbabel/issues/2848
[Other]https://github.com/openbabel/openbabel/pull/2862
[Other]https://github.com/openbabel/openbabel/releases/tag/openbabel-3-2-0
[Other]https://github.com/openbabel/openbabel/security/advisories/GHSA-6xw4-2g22-26h8
[Other]https://vuldb.com/submit/754378
[Other]https://vuldb.com/vuln/346650
[Other]https://vuldb.com/vuln/346650/cti

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