CVE-2026-3408

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.

CVSS v3 4.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a	Patch
https://github.com/oneafter/0128/blob/main/ob3/repro.cdxml	Issue Tracking
https://github.com/openbabel/openbabel/issues/2848	Exploit Issue Tracking
https://github.com/openbabel/openbabel/pull/2862	Issue Tracking
https://vuldb.com/?ctiid.348303	Permissions Required VDB Entry
https://vuldb.com/?id.348303	Third Party Advisory VDB Entry
https://vuldb.com/?submit.763756	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:openbabel:open_babel:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-02 04:16

Updated : 2026-03-04 02:40

NVD link : CVE-2026-3408

Mitre link : CVE-2026-3408

CVE.ORG link : CVE-2026-3408

JSON object : View

Products Affected

openbabel

open_babel

CWE

CWE-404

Improper Resource Shutdown or Release

CWE-476

NULL Pointer Dereference

CWE-787

Out-of-bounds Write

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