Debian Security Advisory DSA 792-1 – Max Vozeler discovered that pstotext, a utility to extract text from PostScript and PDF files, did not execute ghostscript with the -dSAFER argument, which prevents potential malicious operations to happen.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/39763/dsa-792-1.txt
Source: https://packetstormsecurity.com/files/39763/Debian-Linux-Security-Advisory-792-1.html