وصول خارج الحدود — CVE-2026-42479

تؤثر هذه الثغرة الموثقة في opencascade open cascade technology. يوضح سجل NVD أن المشكلة تتمثل في: 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.