Provide references for CVE-2015-1337.
Where can I find more information about CVE-2015-1337?
References are available at: http://www.ubuntu.com/usn/USN-2746-1, http://www.ubuntu.com/usn/USN-2746-2, https://bugs.launchpad.net/ubuntu/%2Bsource/simplestreams/%2Bbug/1487004.