CVE-2025-11000: Openbabel Open Babel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Openbabel Open Babel: up to and including 3.1.1

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