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Out-of-bounds Write Affecting xorg-server package, versions <2:1.20.4-1+deb10u13

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
7.8 high
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Red Hat
7.8 high
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SUSE
5.5 medium

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  • Snyk ID SNYK-DEBIAN10-XORGSERVER-6159340
  • published 16 Jan 2024
  • disclosed 18 Jan 2024
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Introduced: 16 Jan 2024

CVE-2024-0409 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Debian:10 xorg-server to version 2:1.20.4-1+deb10u13 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-server package and not the xorg-server package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSELINUX context.