CVE-2014-8101: X.org x11

Medium severity, CVSS 6.5. EPSS: 4.4% chance of exploitation in the next 30 days.

The RandR extension in XFree86 4.2.0, X.Org X Window System (aka X11 or X) X11R6.7, and X.Org Server (aka xserver and xorg-server) before 1.16.3 allows remote authenticated users to cause a denial of service (out-of-bounds read or write) or possibly execute arbitrary code via a crafted length or index value to the (1) SProcRRQueryVersion, (2) SProcRRGetScreenInfo, (3) SProcRRSelectInput, or (4) SProcRRConfigureOutputProperty function.

Affected products

• X.org x11: version 6.7 only
• X.org X Server: up to and including 1.16.2.99.901
• X.org XFREE86: version 4.2.0 only

Published 2014-12-10. Last modified 2026-06-17.