CVE-2026-42478

Open CASCADE Technology V8_0_0_rc5 - DoS

Title source: llm
STIX 2.1

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.

Scores

EPSS 0.0003
EPSS Percentile 8.3%

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Published May 01, 2026
Tracked Since May 01, 2026