Vulnerabilities > CVE-2021-39594 - 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
Other An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function updateusage() located in swftext.c. It allows an attacker to cause Denial of Service.