OpenStack Object Storage (Swift) before 2.4.0 does not properly close client connections, which allows remote attackers to cause a denial of service (proxy-server resource consumption) via a series of interrupted requests to a Large Object URL.
https://security.openstack.org/ossa/OSSA-2016-004.html
https://review.openstack.org/#/c/217750/
https://launchpad.net/swift/+milestone/2.4.0
https://bugs.launchpad.net/swift/+bug/1466549
http://www.securityfocus.com/bid/81432
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://rhn.redhat.com/errata/RHSA-2016-0329.html