Catdoc v0.95 was discovered to contain a NULL pointer dereference via the component xls2csv at src/xlsparse.c. https://gist.github.com/rycbar77/d747b2c37b544ece30b2353a65ab41f9
Created catdoc tracking bugs for this issue: Affects: epel-7 [bug 2246299] Affects: fedora-all [bug 2246300]