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NULL Pointer Dereference

CVE-2021-40576

Severity Medium
Score 5.5/10

Summary

The binary MP4Box in Gpac prior to 2.0.0 has a NULL Pointer Dereference vulnerability in the "gf_isom_get_payt_count" function in "hint_track.c", which allows attackers to cause a Denial of Service.

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

CWE-476 - NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Advisory Timeline

  • Published