CVE-2026-42476

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-2026-36475

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 RWStl Reader::ReadAscii because buffers returned by Standard ReadLineBuffer::ReadLine are not properly length-validated before strncasecmp or direct byte access...