CVE-2016-7952: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

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.

Affected products

• Fedoraproject Fedora: version 24 only; version 25 only
• X.org Libxtst: up to and including 1.2.2

Published 2016-12-13. Last modified 2026-06-17.