Swftools out-of-bounds write vulnerability (CNVD-2022-62213)

Swftools is a set of utilities for working with Adobe Flash files (SWF files). swftools 2020-12-22 and earlier versions are vulnerable to an out-of-bounds write vulnerability, which originates in the function swf_FontExtract_DefineTextCallback() located in swftext.c A heap buffer overflow exists. An attacker could exploit this vulnerability to enable code execution.