Skip to main content

Heap-based Buffer Overflow

CVE-2025-57107

Severity High
Score 7.1/10

Summary

Kitware VTK (Visualization Toolkit) through 9.5.0 contains a heap buffer overflow vulnerability in "vtkGLTFDocumentLoader". When processing specially crafted GLTF files, the copy constructor of Accessor objects fails to properly validate buffer boundaries before performing memory read operations.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • REQUIRED
  • NONE
  • HIGH
  • HIGH

CWE-122 - Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Advisory Timeline

  • Published