Openbabel: >> Open Babel >> 2.2.1 Security Vulnerabilities
A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML File Handler. Such manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit is publicly available and might be used. The name of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is best practice to apply a patch to resolve this issue.
CVSS Score
4.3
EPSS Score
0.001
Published
2026-03-02
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. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue. The project was informed of the problem early through an issue report but has not responded yet.
CVSS Score
4.3
EPSS Score
0.001
Published
2026-02-19
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 patch is identified as e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.
CVSS Score
4.3
EPSS Score
0.001
Published
2026-02-19
A vulnerability was determined in Open Babel up to 3.1.1. This affects the function PQSFormat::ReadMolecule of the file /src/formats/PQSformat.cpp. This manipulation causes null pointer dereference. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized.
CVSS Score
3.3
EPSS Score
0.0
Published
2025-09-26
A vulnerability was detected in Open Babel up to 3.1.1. This issue affects the function OBSmilesParser::ParseSmiles of the file /src/formats/smilesformat.cpp. Performing manipulation results in heap-based buffer overflow. The attack needs to be approached locally. The exploit is now public and may be used.
CVSS Score
5.3
EPSS Score
0.0
Published
2025-09-26
A flaw has been found in Open Babel up to 3.1.1. Impacted is the function ChemKinFormat::CheckSpecies of the file /src/formats/chemkinformat.cpp. Executing manipulation can lead to heap-based buffer overflow. The attack can only be executed locally. The exploit has been published and may be used.
CVSS Score
5.3
EPSS Score
0.0
Published
2025-09-26
A vulnerability has been found in Open Babel up to 3.1.1. The affected element is the function ChemKinFormat::ReadReactionQualifierLines of the file /src/formats/chemkinformat.cpp. The manipulation leads to null pointer dereference. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used.
CVSS Score
3.3
EPSS Score
0.0
Published
2025-09-26
A vulnerability was found in Open Babel up to 3.1.1. The impacted element is the function CacaoFormat::SetHilderbrandt of the file /src/formats/cacaoformat.cpp. The manipulation results in null pointer dereference. The attack is only possible with local access. The exploit has been made public and could be used.
CVSS Score
3.3
EPSS Score
0.0
Published
2025-09-26
A weakness has been identified in Open Babel up to 3.1.1. This affects the function GAMESSOutputFormat::ReadMolecule of the file gamessformat.cpp. This manipulation causes use after free. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be exploited.
CVSS Score
5.3
EPSS Score
0.0
Published
2025-09-26
A security vulnerability has been detected in Open Babel up to 3.1.1. This vulnerability affects the function zlib_stream::basic_unzip_streambuf::underflow in the library /src/zipstreamimpl.h. Such manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used.
CVSS Score
5.3
EPSS Score
0.0
Published
2025-09-26
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