CVE-2023-43787 (GCVE-0-2023-43787)

Vulnerability from cvelistv5 – Published: 2023-10-10 12:26 – Updated: 2025-11-06 22:59
VLAI
Title
Libx11: integer overflow in xcreateimage() leading to a heap overflow
Summary
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.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
URL Tags
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-2023-43787 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2242254 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Affected: 0 , < 1.8.7 (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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Date Public
2023-10-04 00:00
Show details on NVD website
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  • 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.
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