Out-of-Bounds Affecting xorg-x11-server-common package, versions <0:1.20.11-5.el8


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ALMALINUX8-XORGX11SERVERCOMMON-5624300
  • published28 May 2023
  • disclosed10 May 2022

Introduced: 10 May 2022

CVE-2021-4011  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 xorg-x11-server-common to version 0:1.20.11-5.el8 or higher.
This issue was patched in ALSA-2022:1917.

NVD Description

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

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

CVSS Scores

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