Vulnerabilities > CVE-2021-42199 - Out-of-bounds Write vulnerability in Swftools
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
An issue was discovered in swftools through 20201222. A heap buffer overflow exists in the function swf_FontExtract_DefineTextCallback() located in swftext.c. It allows an attacker to cause code execution.