CVE-2016-7952 (fedora, libxtst)
X.org libXtst before 1.2.3 allows remote X servers to cause a denial of service (infinite loop) via a reply in the (1) XRecordStartOfData, (2) XRecordEndOfData, or (3) XRecordClientDied category without a client sequence and with attached data.
Source: CVE-2016-7952 (fedora, libxtst)