CVE-2025-10999 Open Babel cacaoformat.cpp SetHilderbrandt null pointer dereference
A local attacker can cause a denial of service via null pointer dereference in Open Babel's CacaoFormat::SetHilderbrandt function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-10999?
CVE-2025-10999 is a medium-severity vulnerability in Open Babel, published on 26 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was found in Open Babel up to 3.1.1. The impacted element is the function CacaoFormat::SetHilderbrandt of the file /src/formats/cacaoformat.cpp. The manipulation results in null pointer dereference. The attack is only possible with local access. The exploit has been made public and could be used.
Which versions are affected by CVE-2025-10999?
3 open source packages ship an affected version, including openbabel. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openbabel PyPI | All versions | 3.2.0 |
openbabel PyPI | All versions | 3.2.0 |
openbabel PyPI | All versions | 3.2.0 |
Products include Openbabel Open Babel.
How do I fix CVE-2025-10999?
Upgrade openbabel to 3.2.0 or later.
Is CVE-2025-10999 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-10999 exists.
Other vulnerabilities in Open Babel
- CVE-2022-41793 Open Babel has out-of-bounds write in CSR PadString (title field)
- CVE-2022-42885 Open Babel has uninitialized pointer dereference in GRO residue parser
- CVE-2022-43467 Open Babel has out-of-bounds write in PQS coord_file parser
- CVE-2022-44451 Open Babel has uninitialized pointer dereference in MSI atom parser
- CVE-2022-46280 Open Babel has uninitialized pointer dereference in PQS pFormat
Sources
Also known as DEBIAN-CVE-2025-10999, GHSA-55j6-rjhx-hwfh, PYSEC-2026-2772, UBUNTU-CVE-2025-10999.