Vulnerability Details CVE-2026-2705
A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.5%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 5.0
References
Products affected by CVE-2026-2705
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cpe:2.3:a:openbabel:open_babel:2.0.0
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cpe:2.3:a:openbabel:open_babel:2.0.1
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cpe:2.3:a:openbabel:open_babel:2.0.2
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cpe:2.3:a:openbabel:open_babel:2.1.0
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cpe:2.3:a:openbabel:open_babel:2.1.1
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cpe:2.3:a:openbabel:open_babel:2.2.0
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cpe:2.3:a:openbabel:open_babel:2.2.1
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cpe:2.3:a:openbabel:open_babel:2.2.2
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cpe:2.3:a:openbabel:open_babel:2.2.3
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cpe:2.3:a:openbabel:open_babel:2.3.0
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cpe:2.3:a:openbabel:open_babel:2.3.1
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cpe:2.3:a:openbabel:open_babel:2.3.2
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cpe:2.3:a:openbabel:open_babel:2.4.0
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cpe:2.3:a:openbabel:open_babel:3.0.0
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cpe:2.3:a:openbabel:open_babel:3.1.0
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cpe:2.3:a:openbabel:open_babel:3.1.1