Vulnerability Details : CVE-2023-43786
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.
Vulnerability category: Denial of service
Products affected by CVE-2023-43786
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:x.org:libx11:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-43786
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 18 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-43786
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
Red Hat, Inc. |
CWE ids for CVE-2023-43786
-
The product does not properly control the allocation and maintenance of a limited resource.Assigned by: secalert@redhat.com (Secondary)
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-43786
-
http://www.openwall.com/lists/oss-security/2024/01/24/9
oss-security - Re: Fwd: X.Org Security Advisory: Issues in libX11 prior to 1.8.7 & libXpm prior to 3.5.17
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/63IBRFLQVZSMOAZBZOBKFWJP26ILRAGQ/
[SECURITY] Fedora 39 Update: libXpm-3.5.17-1.fc39 - package-announce - Fedora Mailing-Lists
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https://access.redhat.com/security/cve/CVE-2023-43786
CVE-2023-43786- Red Hat Customer PortalThird Party Advisory
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https://access.redhat.com/errata/RHSA-2024:2973
RHSA-2024:2973 - Security Advisory - Red Hat Customer Portal
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https://access.redhat.com/errata/RHSA-2024:2145
RHSA-2024:2145 - Security Advisory - Red Hat Customer Portal
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https://security.netapp.com/advisory/ntap-20231103-0006/
October 2023 libX11 Vulnerabilities in NetApp Products | NetApp Product Security
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https://bugzilla.redhat.com/show_bug.cgi?id=2242253
2242253 – (CVE-2023-43786) CVE-2023-43786 libX11: stack exhaustion from infinite recursion in PutSubImage()Issue Tracking;Third Party Advisory
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