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Heap-based Buffer Overflow

CVE-2025-7069

Low
1.9/10

Summary

A vulnerability, which was classified as problematic, was found in HDF5. Affected is the function "H5FS__sect_link_size" of the file "src/H5FSsection.c". The manipulation leads to Heap-based Buffer Overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • NONE
  • LOW
  • NONE
  • 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().

References

Advisory Timeline

  • Published