Medium severity4.3NVD Advisory· Published Mar 2, 2026· Updated Jun 17, 2026
CVE-2026-3408
CVE-2026-3408
Description
A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML File Handler. Such manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit is publicly available and might be used. The name of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is best practice to apply a patch to resolve this issue.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openbabelPyPI | < 3.2.0 | 3.2.0 |
Affected products
4cpe:2.3:a:openbabel:open_babel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:openbabel:open_babel:*:*:*:*:*:*:*:*range: <=3.1.1
- (no CPE)range: <=3.1.1
- osv-coords2 versionspkg:rpm/opensuse/openbabel&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/openbabel&distro=openSUSE%20Tumbleweed
< 3.2.0-bp160.1.1+ 1 more
- (no CPE)range: < 3.2.0-bp160.1.1
- (no CPE)range: < 3.2.0-2.1
Patches
Vulnerability mechanics
References
10- github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08anvdPatchWEB
- github.com/openbabel/openbabel/issues/2848nvdExploitIssue TrackingWEB
- github.com/advisories/GHSA-rxpr-wq63-jr7pghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-3408ghsaADVISORY
- vuldb.comnvdThird Party AdvisoryVDB EntryWEB
- vuldb.comnvdThird Party AdvisoryVDB EntryWEB
- github.com/oneafter/0128/blob/main/ob3/repro.cdxmlnvdIssue TrackingWEB
- github.com/openbabel/openbabel/pull/2862nvdIssue TrackingWEB
- github.com/openbabel/openbabel/security/advisories/GHSA-rxpr-wq63-jr7pghsaWEB
- vuldb.comnvdPermissions RequiredVDB EntryWEB
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