CVE-2017-13723
HighSummary
In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp.
Risk Assessment
An attacker could cause the X server to crash, leading to disruptions in system operation and potential security issues.
Recommendation
It is recommended to update X.Org Server to version 1.19.4 or later to mitigate this vulnerability.
Other vulnerabilities in X.Org Server (xserver, xorg-server)
Original NVD description (English source)
In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp.