CVE-2026-118589

MEDIUM 5.3

nschloe meshio VTK Reader _vtk_42.py memory allocation

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

A weakness has been identified in nschloe meshio up to 5.3.5. Impacted is an unknown function of the file meshio/_vtk_42.py of the component VTK Reader. Executing a manipulation of the argument DIMENSIONS can lead to uncontrolled memory allocation. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet.

CWE	CWE-789 CWE-400
Vendor	nschloe
Product	meshio
Published	Oct 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

nschloe / meshio

5.3.0 5.3.1 5.3.2 5.3.3 5.3.4 5.3.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/428027 vuldb.com: https://vuldb.com/vuln/428027/cti vuldb.com: https://vuldb.com/cve/CVE-2026-118589 vuldb.com: https://vuldb.com/submit/1026207 github.com: https://github.com/nschloe/meshio/issues/1576 github.com: https://github.com/nschloe/meshio/

Credits

🔍 Mohammedix88 (VulDB User) VulDB CNA Team