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Out-of-bounds Write Affecting xorg-server package, versions <2:1.20.11-1+deb11u8

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.07% (28th percentile)
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NVD
7.8 high
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SUSE
7.8 high
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Red Hat
7.8 high

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  • Snyk ID SNYK-DEBIAN11-XORGSERVER-6035095
  • published 25 Oct 2023
  • disclosed 25 Oct 2023
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Introduced: 25 Oct 2023

CVE-2023-5367 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Debian:11 xorg-server to version 2:1.20.11-1+deb11u8 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:11 relevant fixed versions and status.

A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.

References