Vulnerability · Published Sep 26, 2025 · Assigned by VulDB
CVE-2025-11000Open Babel PQSformat.cpp ReadMolecule null pointer dereference
Low 3.3
In plain English
A low-severity null pointer dereference in Open Babel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 84.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | openbabel | no fix listed | DEBIAN-CVE-2025-11000 |
| Debian:13 | openbabel | no fix listed | DEBIAN-CVE-2025-11000 |
| Debian:14 | openbabel | no fix listed | DEBIAN-CVE-2025-11000 |
| PyPI | openbabel | 3.2.0 | GHSA-m982-7q3h-r784 |
| PyPI | openbabel | 3.2.0 | PYSEC-2026-2785 |
| Ubuntu:22.04:LTS | openbabel | no fix listed | UBUNTU-CVE-2025-11000 |
| Ubuntu:24.04:LTS | openbabel | no fix listed | UBUNTU-CVE-2025-11000 |
| Ubuntu:25.10 | openbabel | no fix listed | UBUNTU-CVE-2025-11000 |
| Ubuntu:26.04:LTS | openbabel | no fix listed | UBUNTU-CVE-2025-11000 |
| Ubuntu:26.10 | openbabel | no fix listed | UBUNTU-CVE-2025-11000 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Open Babel | 3.1.03.1.1 |
Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-325928 | Open Babel PQSformat.cpp ReadMolecule null pointer dereference vdb-entry, technical-description
- VDB-325928 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #654066 | Open Babel 3.1.1 / master commit 889c350 NULL Pointer Dereference third-party-advisory
- https://github.com/openbabel/openbabel/issues/2826 issue-tracking
- https://github.com/user-attachments/files/22318474/poc.zip exploit