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Integer Overflow or Wraparound Affecting libx11 package, versions <2:1.7.2-1+deb11u2

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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SUSE
5.3 medium
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Red Hat
7.8 high

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  • Snyk ID SNYK-DEBIAN11-LIBX11-5927150
  • published 4 Oct 2023
  • disclosed 10 Oct 2023
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Introduced: 4 Oct 2023

CVE-2023-43787 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Debian:11 libx11 to version 2:1.7.2-1+deb11u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libx11 package and not the libx11 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges.