CVE-2026-118589 (GCVE-0-2026-118589)
Vulnerability from cvelistv5
Published
2026-10-28 23:45
Modified
2026-10-28 23:45
Severity ?
6.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/RC:C
5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/RC:C
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/RC:C
5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/RC:C
VLAI Severity ?
EPSS score ?
Summary
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.
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:nschloe:meshio:*:*:*:*:*:*:*:*"
],
"modules": [
"VTK Reader"
],
"product": "meshio",
"vendor": "nschloe",
"versions": [
{
"status": "affected",
"version": "5.3.0"
},
{
"status": "affected",
"version": "5.3.1"
},
{
"status": "affected",
"version": "5.3.2"
},
{
"status": "affected",
"version": "5.3.3"
},
{
"status": "affected",
"version": "5.3.4"
},
{
"status": "affected",
"version": "5.3.5"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Mohammedix88 (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "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",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 5,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-789",
"description": "Uncontrolled Memory Allocation",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-28T23:45:18.675Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-428027 | nschloe meshio VTK Reader _vtk_42.py memory allocation",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/428027"
},
{
"name": "VDB-428027 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/428027/cti"
},
{
"name": "CVE-2026-118589 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-118589"
},
{
"name": "Submit #1026207 | nschloe meshio 5.3.5 Uncontrolled Memory Allocation",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/1026207"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/nschloe/meshio/issues/1576"
},
{
"tags": [
"product"
],
"url": "https://github.com/nschloe/meshio/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-10-28T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-10-28T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-10-28T17:22:21.000Z",
"value": "VulDB entry last update"
}
],
"title": "nschloe meshio VTK Reader _vtk_42.py memory allocation",
"x_generator": [
"VulDB PVTS v202610"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-118589",
"datePublished": "2026-10-28T23:45:18.675Z",
"dateReserved": "2026-10-28T16:17:16.147Z",
"dateUpdated": "2026-10-28T23:45:18.675Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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