Medium severity6.1NVD Advisory· Published Nov 5, 2026
CVE-2026-123203
CVE-2026-123203
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=9.0.2
- Range: <=9.0.2
Patches
Vulnerability mechanics
References
4- github.com/neuronsimulator/nrn/blob/ba5783378c0aa1d9ac95b4454bea94b15c63f75d/src/coreneuron/io/mk_mech.cppnvd
- github.com/neuronsimulator/nrn/commit/6e5a6578a3503c44ee0f19593e7ffb19812ef0e1nvd
- github.com/neuronsimulator/nrn/pull/3932nvd
- www.vulncheck.com/advisories/neuron-through-9.0.2-stack-based-buffer-overflow-via-coreneuron-dataset-tokensnvd
News mentions
0No linked articles in our index yet.