An issue was discovered in VrmlData_IndexedFaceSet::TShape in the VRML V2.0 parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows attackers to cause a denial of service via a crafted VRML file. The issue occurs because malformed VRML input can trigger dereference of a corrupt or unvalidated pointer during shape construction in libTKDEVRML.so.

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History

Sat, 02 May 2026 08:30:00 +0000

Type Values Removed Values Added
Title Denial of Service via Crafted VRML File in Open CASCADE V8_0_0_rc5

Fri, 01 May 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


Fri, 01 May 2026 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Opencascade
Opencascade open Cascade Technology
Weaknesses CWE-476
CPEs cpe:2.3:a:opencascade:open_cascade_technology:*:*:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc4:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc5:*:*:*:*:*:*
Vendors & Products Opencascade
Opencascade open Cascade Technology
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Fri, 01 May 2026 15:00:00 +0000

Type Values Removed Values Added
Description An issue was discovered in VrmlData_IndexedFaceSet::TShape in the VRML V2.0 parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows attackers to cause a denial of service via a crafted VRML file. The issue occurs because malformed VRML input can trigger dereference of a corrupt or unvalidated pointer during shape construction in libTKDEVRML.so.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-01T18:31:22.848Z

Reserved: 2026-04-27T00:00:00.000Z

Link: CVE-2026-42478

cve-icon Vulnrichment

Updated: 2026-05-01T18:31:19.161Z

cve-icon NVD

Status : Modified

Published: 2026-05-01T15:16:43.857

Modified: 2026-05-01T19:16:32.093

Link: CVE-2026-42478

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-02T08:15:16Z

Weaknesses