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NULL Pointer Dereference

CVE-2021-40564

Medium
5.5/10

Summary

A Segmentation fault caused by null pointer dereference vulnerability exists in Gpac prior to 2.0.0 via the "avc_parse_slice" function in "av_parsers.c" when using mp4box, which causes 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.

References

Advisory Timeline

  • Published