pixiv: RCE due to ImageTragick v2

Hello Pixiv team! Your Image processing process suffering from ImageTragick v2. Issue is caused by ghostscript RCE findnings. How to reproduce: PATCH /design Host: manage.booth.pm send following image: ------WebKitFormBoundaryXX05yrKS4g8d9CWh Content-Disposition: form-data; name="shopheader";...