Open Babel smilesformat.cpp ParseSmiles heap-based overflow
Priority MEDIUM 55CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00286 21st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix Fixed openbabel (PyPI): 3.2.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Open Babel | 3.1.0; 3.1.1 | — | No fix listed | CNA |
| — | openbabel (PyPI) | before 3.2.0 | 3.2.0 | Patch available | GHSA-j35x-w4gj-pf7w |
- Open Babel Vendor— Affected 3.1.0; 3.1.1 Fixed in — No fix listed CNA
- openbabel (PyPI) Vendor— Affected before 3.2.0 Fixed in 3.2.0 Patch available GHSA-j35x-w4gj-pf7w
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openbabel:open_babel:*:*:*:*:*:*:*:* | up to 3.1.1 | Vulnerable | Open Babel |
- cpe:2.3:a:openbabel:open_babel:*:*:*:*:*:*:*:* Versions up to 3.1.1 Vulnerable ·Open Babel
Remediation
- Fix · GHSA-j35x-w4gj-pf7w openbabel (PyPI) Fixed in 3.2.0 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-10996
- 2026-10-03 Alias added: GHSA-j35x-w4gj-pf7w
References
Exploit 2
More Open Babel vulnerabilities
- TI-2022-22844 Memory corruption in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-22843 Memory corruption in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-22840 Memory corruption in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-22839 Heap-based buffer overflow in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-22838 Heap-based buffer overflow in Open Babel CVSS 3.1CRITICAL 9.8
- TI-2022-21850 A use of uninitialized pointer vulnerability exists in the MSI format atom functionality… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-10996 · CVE Program
- CVE-2025-10996 · NVD
- FIRST EPSS
- GHSA-j35x-w4gj-pf7w · GitHub Advisory Database · CC BY 4.0
- CVE-2025-10996 · Red Hat security data · CC BY 4.0
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