CVE-2026-123203

MediumCVSS 6.1/10Last modified Nov 12, 2026

Description

NEURON (CoreNEURON) through 9.0.2 contains a stack buffer overflow vulnerability that allows attackers to corrupt stack memory by supplying over-long tokens in a crafted model dataset. Attackers can place oversized version or mechanism-name tokens in bbcore_mech.dat, globals.dat, or files.dat loaded by nrniv-core to crash the process.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

Weakness enumeration

CWE-121

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
neuronsimulator	NEURON	<= 9.0.2

References

Timeline

Published: Nov 5, 2026
Last modified: Nov 12, 2026
NVD status: Awaiting Analysis

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