Vulnerability Details CVE-2026-42480
A stack-based out-of-bounds read vulnerability in VrmlData_Scene::ReadLine 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 the quoted-string escape handler uses ptr[++anOffset] without proper bounds checking, which can read past the end of a fixed-size stack buffer.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.1%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2026-42480
-
cpe:2.3:a:opencascade:open_cascade_technology:6.5.0
-
cpe:2.3:a:opencascade:open_cascade_technology:6.5.1
-
cpe:2.3:a:opencascade:open_cascade_technology:6.5.2
-
cpe:2.3:a:opencascade:open_cascade_technology:6.5.3
-
cpe:2.3:a:opencascade:open_cascade_technology:6.5.4
-
cpe:2.3:a:opencascade:open_cascade_technology:6.5.5
-
cpe:2.3:a:opencascade:open_cascade_technology:6.6.0
-
cpe:2.3:a:opencascade:open_cascade_technology:6.7.0
-
cpe:2.3:a:opencascade:open_cascade_technology:6.7.1
-
cpe:2.3:a:opencascade:open_cascade_technology:6.7.2
-
cpe:2.3:a:opencascade:open_cascade_technology:6.8.0
-
cpe:2.3:a:opencascade:open_cascade_technology:6.9.0
-
cpe:2.3:a:opencascade:open_cascade_technology:6.9.1
-
cpe:2.3:a:opencascade:open_cascade_technology:7.0.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.0.1
-
cpe:2.3:a:opencascade:open_cascade_technology:7.1.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.2.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.3.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.4.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.5.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.5.1
-
cpe:2.3:a:opencascade:open_cascade_technology:7.5.2
-
cpe:2.3:a:opencascade:open_cascade_technology:7.5.3
-
cpe:2.3:a:opencascade:open_cascade_technology:7.6.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.6.1
-
cpe:2.3:a:opencascade:open_cascade_technology:7.6.2
-
cpe:2.3:a:opencascade:open_cascade_technology:7.6.3
-
cpe:2.3:a:opencascade:open_cascade_technology:7.7.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.7.1
-
cpe:2.3:a:opencascade:open_cascade_technology:7.7.2
-
cpe:2.3:a:opencascade:open_cascade_technology:7.8.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.8.1
-
cpe:2.3:a:opencascade:open_cascade_technology:7.9.0
-
cpe:2.3:a:opencascade:open_cascade_technology:7.9.1
-
cpe:2.3:a:opencascade:open_cascade_technology:7.9.2
-
cpe:2.3:a:opencascade:open_cascade_technology:7.9.3
-
cpe:2.3:a:opencascade:open_cascade_technology:8.0.0