### [CVE-2021-3497](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3497) ![](https://img.shields.io/static/v1?label=Product&message=gstreamer-plugins-good&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416&color=brighgreen) ### Description GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files. ### POC #### Reference No PoCs from references. #### Github - https://github.com/ARPSyndicate/cvemon