A vulnerability exists in Graphviz’s parsing engine which makes it possible to overflow a globally allocated array and corrupt memory by doing so. Version 2.20.2 is affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/70718/graphviz-overflow.txt
Source: https://packetstormsecurity.com/files/70718/graphviz-overflow.txt.html