Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libx11 package, versions <1.8.7-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ALPINE318-LIBX11-6042397
  • published1 Nov 2023
  • disclosed10 Oct 2023

Introduced: 10 Oct 2023

CVE-2023-43786  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Alpine:3.18 libx11 to version 1.8.7-r0 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 Alpine. See How to fix? for Alpine:3.18 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.

CVSS Scores

version 3.1