CVE-2023-43786

Libx11: stack exhaustion from infinite recursion in putsubimage()

Description

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.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2024:2145 vendor advisory
https://access.redhat.com/errata/RHSA-2024:2973 vendor advisory
https://access.redhat.com/security/cve/CVE-2023-43786 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2242253 third party advisory issue tracking
http://www.openwall.com/lists/oss-security/2024/01/24/9
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/63IBRFLQVZSMOAZBZOBKFWJP26ILRAGQ/
https://security.netapp.com/advisory/ntap-20231103-0006/

Frequently Asked Questions

What is the severity of CVE-2023-43786?
CVE-2023-43786 has been scored as a medium severity vulnerability.
How to fix CVE-2023-43786?
To fix CVE-2023-43786, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-43786 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-43786 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-43786?
CVE-2023-43786 affects Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7.
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