CVE-2020-14360
xorg-x11-server: Out-of-bounds access in XkbSetMap function
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 1, 2020
Updated · June 27, 2026
Description
A flaw was found in the X.Org Server. An out-of-bounds access in the XkbSetMap function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Statement
The Xorg server in Red Hat Enterprise Linux 8 does not run with root privileges, thus this flaw has been rated as having a moderate impact on that platform.
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 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer