Medium severity · published Oct 10, 2023
CVE-2023-43786
A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function
5.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
8.0; 9.0 · source: NVD
FE
Fedora · Fedoraproject
38 · source: NVD
LI
Libx11 · X.org
before 1.8.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-43786
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-43786
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:2145
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:2973
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-43786
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2242253
www.openwall.com
http://www.openwall.com/lists/oss-security/2024/01/24/9
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/10/msg00005.html
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