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CVE

CVE-2023-43785

A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows

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.

MEDIUM · CVSS 6.5 EPSS 0.001
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
x.org libx11< 1.8.7
redhat enterprise linuxall versions
fedoraproject fedoraall versions
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Oct 2023 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

9
suse-csafSUSE-SU-2024:2453-1
suse-csafopenSUSE-SU-2024:13296-1
msrcCVE-2023-43785
usnUSN-6407-2
suse-csafSUSE-SU-2023:3989-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2023-43785Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2242252Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00004.html
https://security.netapp.com/advisory/ntap-20231103-0006/
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