CVE-2026-42478

7.5 highEPSS 0.2%

High (7.5) in opencascade open cascade technology. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWEs: CWE-476, CWE-125
Published: 2026-05-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

opencascade:open_cascade_technology

References

https://gist.github.com/sgInnora/dfba083d04906283e9c92aea78e2d94a

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