CVE-2023-43786

Libx11: stack exhaustion from infinite recursion in putsubimage()

Published Oct 10, 2023 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3602-1 libx11 security update
Debian DLA Debian DLA DLA-3603-1 libxpm security update
Debian DSA Debian DSA DSA-5517-1 libx11 security update
EUVD EUVD EUVD-2023-48163 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.
Ubuntu USN Ubuntu USN USN-6407-1 libx11 vulnerabilities
Ubuntu USN Ubuntu USN USN-6407-2 libx11 vulnerabilities
Ubuntu USN Ubuntu USN USN-6408-1 libXpm vulnerabilities
Ubuntu USN Ubuntu USN USN-6408-2 libXpm vulnerabilities
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 7, 2026, 11:31 AM
Reserved
Sep 22, 2023, 9:52 AM
Status
Modified
Published
Oct 10, 2023, 1:15 PM
Modified
Nov 7, 2026, 12:17 PM
Severity
Moderate
Public date
Oct 4, 2023, 12:00 AM