CVE record · CVE-2023-5380

Xorg-x11-server: use-after-free bug in destroywindow

CVSS 4.7 MediumEPSS 0.0070 · 53rd percentile

Published by the CVE Program (CNA: redhat) at 25 Oct 2023, 19:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 7 Package name: tigervnc https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.8.0-26.el7_9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: xorg-x11-server https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.20.11-22.el8 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: tigervnc https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.13.1-8.el8 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: xorg-x11-server https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.20.11-24.el9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: tigervnc https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.13.1-8.el9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Package name: tigervnc https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat Enterprise Linux 6 Package name: xorg-x11-server https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat Enterprise Linux 7 Package name: xorg-x11-server https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: xorg-x11-server-Xwayland https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 9 Package name: xorg-x11-server-Xwayland https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected

Identifiers: CVE-2023-5380
CNA: redhat
Weakness (CWE): CWE-416
Tags: Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 6
Memory corruption
Published: 25 Oct 2023
Updated: 5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
4.7	Medium	3.1	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0070, the 53rd percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

25 Oct 2023, 19:46 UTC Confirmed by the CVE List
25 Oct 2023, 20:15 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2023:7428 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:2169 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:2298 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:2995 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:3067 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2023-5380 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2244736 issue-trackingredhat
lists.x.org/archives/xorg-announce/2023-October/003430.html

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.