Vulnerabilities > CVE-2021-39563 - NULL Pointer Dereference vulnerability in Swftools
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function swf_DumpActions() located in swfaction.c. It allows an attacker to cause Denial of Service.