jpegoptim.c in jpegoptim 1.4.5 (fixed in 1.4.6) has an invalid use of realloc() and free(), which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact. Upstream bug: https://github.com/tjko/jpegoptim/issues/57
Created jpegoptim tracking bugs for this issue: Affects: epel-all [bug 1582448] Affects: fedora-all [bug 1582447]