NULL Pointer Dereference
An issue was discovered in swftools through 20201222. A NULL pointer dereference exists in the function main() located in swfdump.c. It allows an attacker to cause Denial of Service.
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.