CVE-2023-43787
Libx11: integer overflow in xcreateimage() leading to a heap overflow
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-122 |
| Published | Oct 10, 2023 |
| Last Updated | Nov 6, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2024:2145 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:2973 access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-43787 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2242254 openwall.com: http://www.openwall.com/lists/oss-security/2024/01/24/9 jfrog.com: https://jfrog.com/blog/xorg-libx11-vulns-cve-2023-43786-cve-2023-43787-part-two/ security.netapp.com: https://security.netapp.com/advisory/ntap-20231103-0006/ lists.debian.org: https://lists.debian.org/debian-lts-announce/2023/10/msg00005.html