Out-of-Bounds Affecting xorg-x11-server-source package, versions <0:1.20.10-1.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.38% (73rd percentile)

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  • Snyk IDSNYK-RHEL8-XORGX11SERVERSOURCE-4011146
  • published26 Jul 2021
  • disclosed1 Dec 2020

Introduced: 1 Dec 2020

CVE-2020-14360  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:8 xorg-x11-server-source to version 0:1.20.10-1.el8 or higher.
This issue was patched in RHSA-2021:1804.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-source package and not the xorg-x11-server-source package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw was found in the X.Org Server before version 1.20.10. 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.

CVSS Scores

version 3.1