CVE-2026-42479

An out-of-bounds read vulnerability in VrmlDataIndexedLineSet::TShape in the VRML parser in Open CASCADE Technology OCCT V800rc5 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...

CVE-2026-42480

A stack-based out-of-bounds read vulnerability in VrmlDataScene::ReadLine in the VRML parser in Open CASCADE Technology OCCT V800rc5 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...

EUVD-2026-26599

Two heap-based out-of-bounds read vulnerabilities in the STL ASCII file parser in Open CASCADE Technology OCCT V800rc5 exist in RWStlReader::ReadAscii because buffers returned by StandardReadLineBuffer::ReadLine are not properly length-validated before strncasecmp or direct byte access...

PT-2026-36493

Name of the Vulnerable Software and Affected Versions Open CASCADE Technology OCCT version V8 0 0 rc5 Description A stack-based out-of-bounds read in the VRML parser occurs within the VrmlData Scene::ReadLine function. The quoted-string escape handler utilizes ptr++anOffset without adequate bound...

Open Cascade OCCT 代码问题漏洞

Open Cascade OCCT is a 3D modeling and geometry computation kernel from the French company Open Cascade. A code issue vulnerability exists in Open Cascade OCCT version V800rc5, which stems from a flaw in the VrmlDataIndexedFaceSet::TShape function in the VRML V2.0 parser, as malformed VRML inputs...