Skip to main content

NULL Pointer Dereference

CVE-2021-39583

Medium
4.3/10

Summary

An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function pool_lookup_string2() located in pool.c. It allows an attacker to cause Denial of Service.

  • MEDIUM
  • NETWORK
  • NONE
  • NONE
  • NONE
  • PARTIAL

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