### [CVE-2021-39594](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39594) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description 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. ### POC #### Reference - https://github.com/matthiaskramm/swftools/issues/142 #### Github No PoCs found on GitHub currently.