CVE-2023-43786 (GCVE-0-2023-43786)

Vulnerability from cvelistv5 – Published: 2023-10-10 12:26 – Updated: 2025-11-06 22:59
VLAI?
Title
Libx11: stack exhaustion from infinite recursion in putsubimage()
Summary
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.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
https://access.redhat.com/errata/RHSA-2024:2145 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2973 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-43786 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2242253 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Affected: 0 , < 3.5.17 (semver)
    Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.6.8-8.el8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
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    Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.7.0-9.el9 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
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    Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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