A NULL pointer dereference vulnerability was found in graphviz in the rebuild_vlists function. A maliciously crafted file could cause the application to crash. References: https://issuetracker.google.com/issues/77810342 Upstream issue: https://gitlab.com/graphviz/graphviz/issues/1367
Created graphviz tracking bugs for this issue: Affects: fedora-all [bug 1579255]