CVE-2023-43786
Libx11: stack exhaustion from infinite recursion in putsubimage()
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-400 |
| 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:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
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-2023-43786 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2242253 openwall.com: http://www.openwall.com/lists/oss-security/2024/01/24/9 lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/63IBRFLQVZSMOAZBZOBKFWJP26ILRAGQ/ 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