Medium severity · published Oct 10, 2023
CVE-2023-43785
Libx11: out-of-bounds memory access in _xkbreadkeysyms()
5.5
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
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-2023-43785
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-43785
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-2023-43785
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2242252
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/10/msg00004.html
security.netapp.com
https://security.netapp.com/advisory/ntap-20231103-0006/
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