Opencascade Open Cascade Technology — known CVE vulnerabilities

Every CVE whose affected-product data names Opencascade Open Cascade Technology, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (6)

• CVE-2026-42478 — CVSS 7.5 (high): An issue was discovered in VrmlData_IndexedFaceSet::TShape in the VRML V2.0 parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows…
• CVE-2026-42476 — CVSS 7.1 (high): Two heap-based out-of-bounds read vulnerabilities in the STL ASCII file parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 exist in…
• CVE-2026-42477 — CVSS 7.1 (high): A heap-based out-of-bounds read vulnerability in RWObj_Reader::read in the OBJ file parser in Open CASCADE Technology (OCCT) V8_0_0_rc5…
• CVE-2026-42479 — CVSS 5.5 (medium): An out-of-bounds read vulnerability in VrmlData_IndexedLineSet::TShape in the VRML parser in Open CASCADE Technology (OCCT) V8_0_0_rc5…
• CVE-2026-42480 — CVSS 5.5 (medium): 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…
• CVE-2026-42481 — CVSS 5.5 (medium): Open CASCADE Technology (OCCT) V8_0_0_rc5 contains multiple vulnerabilities in its IGES and STEP file parsers that can be triggered by…