The cjpeg utility in libjpeg allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or execute arbitrary code via a crafted file.
https://access.redhat.com/errata/RHSA-2019:2052
https://bugzilla.redhat.com/show_bug.cgi?id=1318509
https://bugzilla.redhat.com/show_bug.cgi?id=1319661
https://lists.debian.org/debian-lts-announce/2019/01/msg00015.html