CVE-2026-42479

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.
References
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:opencascade:open_cascade_technology:*:*:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc4:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc5:*:*:*:*:*:*

History

01 May 2026, 17:48

Type Values Removed Values Added
CPE cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc4:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:*:*:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc5:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0:rc1:*:*:*:*:*:*
CWE CWE-125
References () https://gist.github.com/sgInnora/dfba083d04906283e9c92aea78e2d94a - () https://gist.github.com/sgInnora/dfba083d04906283e9c92aea78e2d94a - Third Party Advisory
First Time Opencascade
Opencascade open Cascade Technology
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5

01 May 2026, 15:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-01 15:16

Updated : 2026-06-17 10:47


NVD link : CVE-2026-42479

Mitre link : CVE-2026-42479

CVE.ORG link : CVE-2026-42479


JSON object : View

Products Affected

opencascade

  • open_cascade_technology
CWE
CWE-125

Out-of-bounds Read