Buffer overflow in X.org X_server
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 RRChang…
Vulnerability class: Buffer Overflow
EPSS: 0.006 (45.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- X.org X_server
- X.org Xwayland
- Debian Debian_linux — versions 11.0, 12.0
- Fedoraproject Fedora — versions 37, 38, 39
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 6 Extended Lifecycle Support - Extension — versions 0:1.1.0-25.el6_10.13
- Red Hat Enterprise Linux 7 — versions 0:1.20.4-24.el7_9, 0:1.8.0-26.el7_9
- Red Hat Enterprise Linux 8 — versions 0:1.13.1-2.el8_9.1, 0:1.20.11-22.el8, 0:21.1.3-15.el8
- Red Hat Enterprise Linux 8.1 Update Services For Sap Solutions — versions 0:1.9.0-16.el8_1.4
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 0:1.9.0-15.el8_2.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-5367?
- CVE-2023-5367 is a high-severity vulnerability in X.org X_server, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-10-25.
- How severe is CVE-2023-5367?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-5367 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.