Apache CouchDB 1.5.0 and earlier allows remote attackers to cause a denial of service (CPU and memory consumption) via the count parameter to /_uuids.
https://exchange.xforce.ibmcloud.com/vulnerabilities/92161
http://www.securitytracker.com/id/1029967
http://secunia.com/advisories/57572
http://packetstormsecurity.com/files/125889
http://lists.opensuse.org/opensuse-updates/2014-04/msg00039.html