CVE-2017-13723
xorg-x11-server: Global buffer overflow in xkbtext.c
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · October 4, 2017
Updated · November 21, 2025
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 4.7CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer