VULNERABILITY INTELLIGENCE

CVE-2026-42478

CVSS score7.5 HIGH
EPSS probability0.22%
CISA KEVNot currently listed
Published2026-05-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-125: Out-of-bounds Read
  • CWE-476: NULL Pointer Dereference

Primary references