The ProcessMimeEntity function in util-decode-mime.c in Suricata 4.x through 4.0.5 allows remote attackers to cause a denial of service (segfault and daemon crash) via crafted input to the SMTP parser.
Created suricata tracking bugs for this issue:
Affects: epel-7 [bug 1646984]
Affects: fedora-all [bug 1646983]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.