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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libx11 package, versions <2:1.6.3-1ubuntu2.2+esm4

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

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

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  • Snyk ID SNYK-UBUNTU1604-LIBX11-5927436
  • published 4 Oct 2023
  • disclosed 10 Oct 2023
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Introduced: 4 Oct 2023

CVE-2023-43786 Open this link in a new tab
CWE-835 Open this link in a new tab

How to fix?

Upgrade Ubuntu:16.04 libx11 to version 2:1.6.3-1ubuntu2.2+esm4 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 Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.