OSV-2026-803
Container-overflow in OpenBabel::MDLFormat::ReadV3000Block
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=515663946
Crash type: Container-overflow READ 1
Crash state:
OpenBabel::MDLFormat::ReadV3000Block
OpenBabel::MDLFormat::ReadMolecule
OpenBabel::OBConversion::Read
What each source reports
OSV No score
Container-overflow in OpenBabel::MDLFormat::ReadV3000Block
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=515663946
Crash type: Container-overflow READ 1
Crash state:
OpenBabel::MDLFormat::ReadV3000Block
OpenBabel::MDLFormat::ReadMolecule
OpenBabel::OBConversion::Read
- Record
OSV-2026-803- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openbabelOSS-Fuzz |
Commit ranges | Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-803 is a vulnerability with no CVSS score yet in openbabel, published May 24, 2026. No source lists public exploit code. A source reports a fix.