CVE-2026-42479

MEDIUM

5.5

Description

An out-of-bounds read vulnerability in VrmlData_IndexedLineSet::TShape in the VRML 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 coordIndex values from parsed input are used as direct array indices without validation against the size of the coordinate array during geometry processing.

CVE Details

CVSS v3.1 Score5.5

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published5/1/2026

Last Modified5/1/2026

Sourcenvd

Honeypot Sightings0

Affected Products

opencascade:open_cascade_technology

Weaknesses (CWE)

CWE-125CWE-125

References

https://gist.github.com/sgInnora/dfba083d04906283e9c92aea78e2d94a(cve@mitre.org)

IOC Correlations

No correlations recorded

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