Vulnerability Intelligence Report
Xorg-x11-server: out-of-bounds write in xichangedeviceproperty/rrchangeoutputproperty
CVE-2023-5367
A out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.
No Active Exploit Signals
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:0.62%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗Out-of-bounds Write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION | 0:1.1.0-25.el6_10.13 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 7 | 0:1.20.4-24.el7_9 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 7 | 0:1.8.0-26.el7_9 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8 | 0:1.13.1-2.el8_9.1 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8 | 0:1.20.11-22.el8 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8 | 0:21.1.3-15.el8 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions | 0:1.9.0-16.el8_1.4 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:1.9.0-15.el8_2.4 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | 0:1.9.0-15.el8_2.4 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | 0:1.9.0-15.el8_2.4 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:1.11.0-8.el8_4.3 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:1.11.0-8.el8_4.3 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | 0:1.11.0-8.el8_4.3 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | 0:1.12.0-6.el8_6.4 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:1.12.0-15.el8_8.1 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 9 | 0:1.13.1-3.el9_3.3 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 9 | 0:1.20.11-24.el9 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 9 | 0:22.1.9-5.el9 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:1.11.0-22.el9_0.3 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:1.12.0-14.el9_2 < * (unaffected) |
| Red Hat | Red Hat Enterprise Linux 6 | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.620%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Red Hat, Inc. · Vendor · USA |
| Reserved | 2023-10-03T19:20:29 |
| Published | 2023-10-25T19:46:58 |
| Patch Date | 2023-10-25 |
| Last Updated | 2026-06-23T17:19:12 |
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