Openbabel: Duplicate Advisory: Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge
A vulnerability in Open Babel up to version 3.1.1 involves a NULL pointer dereference in the function OBAtom::SetFormalCharge within the MOL2 File Handler component. This flaw results in an out-of-bounds read and can be triggered remotely. The advisory is a duplicate and has been withdrawn in favor of another. No patch or fix has been confirmed, and the project has not responded to the issue report. Exploit code is publicly available, but no known exploits in the wild have been reported.
AI Analysis
Technical Summary
Open Babel versions prior to 3.2.0 contain a vulnerability in the OBAtom::SetFormalCharge function of the MOL2 File Handler component, causing an out-of-bounds read due to a NULL pointer dereference. This vulnerability can be exploited remotely and has publicly available exploit code. The advisory is a duplicate and has been withdrawn, with no official patch or remediation currently confirmed. The project has not yet addressed the issue despite early notification.
Potential Impact
The vulnerability allows remote attackers to cause an out-of-bounds read via a NULL pointer dereference in Open Babel's MOL2 file processing. This may lead to application crashes or denial of service. No evidence of exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch is currently available and the project has not responded, users should monitor the vendor's communications for updates. Avoid processing untrusted MOL2 files to reduce exposure.
Openbabel: Duplicate Advisory: Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge
Description
A vulnerability in Open Babel up to version 3.1.1 involves a NULL pointer dereference in the function OBAtom::SetFormalCharge within the MOL2 File Handler component. This flaw results in an out-of-bounds read and can be triggered remotely. The advisory is a duplicate and has been withdrawn in favor of another. No patch or fix has been confirmed, and the project has not responded to the issue report. Exploit code is publicly available, but no known exploits in the wild have been reported.
CVSS v4.0
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Open Babel versions prior to 3.2.0 contain a vulnerability in the OBAtom::SetFormalCharge function of the MOL2 File Handler component, causing an out-of-bounds read due to a NULL pointer dereference. This vulnerability can be exploited remotely and has publicly available exploit code. The advisory is a duplicate and has been withdrawn, with no official patch or remediation currently confirmed. The project has not yet addressed the issue despite early notification.
Potential Impact
The vulnerability allows remote attackers to cause an out-of-bounds read via a NULL pointer dereference in Open Babel's MOL2 file processing. This may lead to application crashes or denial of service. No evidence of exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch is currently available and the project has not responded, users should monitor the vendor's communications for updates. Avoid processing untrusted MOL2 files to reduce exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3f56-w4g2-mx64
- Osv Schema Version
- 1.4.0
- Ecosystems
- ["PyPI"]
- Database Specific Severity
- LOW
- Cvss Version
- 4.0
Threat ID: 6a4452e027e9c797198e1056
Added to database: 06/30/2026, 23:36:00 UTC
Last enriched: 06/30/2026, 23:46:35 UTC
Last updated: 09/08/2026, 02:29:02 UTC
Views: 19
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