### [CVE-2021-27815](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27815) ![](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 NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash. ### POC #### Reference - https://github.com/libexif/exif/issues/4 #### Github No PoCs found on GitHub currently.