CVE-2017-12961.
See also https://bugzilla.redhat.com/show_bug.cgi?id=1482436.
See also http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-12961.
See also http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12961.
Found by team OWL337, using the collAFL fuzzer.