CVE-2026-3408

Open Babel CDXML File atom.cpp GetExplicitValence null pointer dereference

MEDIUM
6.5
CVSS Score
Published: March 2, 2026 at 03:32 AM UTC
Updated: June 17, 2026 at 10:43 AM UTC
1 product affected across 1 vendorOpen Babel

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.348303
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.348303
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.763756
Issue TrackingExploit
Source: cverecord
https://github.com/openbabel/openbabel/issues/2848
Issue TrackingPatch
Source: cverecord
https://github.com/openbabel/openbabel/pull/2862

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476CWE-404CWE-787

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