Out-of-bounds Write Affecting xorg-x11-server-source package, versions *


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.83% (82nd percentile)

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  • Snyk IDSNYK-CENTOS6-XORGX11SERVERSOURCE-6179065
  • published18 Jan 2024
  • disclosed16 Jan 2024

Introduced: 16 Jan 2024

CVE-2023-6816  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for Centos:6 xorg-x11-server-source.

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 Centos. See How to fix? for Centos:6 relevant fixed versions and status.

A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can be arbitrarily mapped to any value up to 255, but the X.Org Server was only allocating space for the device's particular number of buttons, leading to a heap overflow if a bigger value was used.

CVSS Scores

version 3.1