CVE-2025-10996: Openbabel Open Babel

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Openbabel Open Babel: up to and including 3.1.1

Published 2025-09-26. Last modified 2026-06-17.