CVE-2026-42479

Published: May 1, 2026Modified: May 1, 2026

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (7)

Products: Opencascade: Open Cascade Technology

Opencascade

1 product

Open Cascade Technology

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Opencascade Open Cascade Technology	Up to 7.9.3
Opencascade Open Cascade Technology	Version 8.0.0 beta1
Opencascade Open Cascade Technology	Version 8.0.0 rc1
Opencascade Open Cascade Technology	Version 8.0.0 rc2
Opencascade Open Cascade Technology	Version 8.0.0 rc3
Opencascade Open Cascade Technology	Version 8.0.0 rc4
Opencascade Open Cascade Technology	Version 8.0.0 rc5

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (1)

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

Source: cve@mitre.org

Third Party Advisory

Timeline

No history available yet.