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CLSA-2025-1763651916 xorg-x11-server-Xwayland: Fix of 4 CVEs

🗓️ 20 Nov 2025 15:18:39Reported by GoogleType 
osv
 osv🔗 osv.dev👁 6 Views

Xwayland fixes four CVEs: use-after-free in overlay; heap and buffer over-reads in event handling; clear pending events when removing a frozen device.

Related
Refs
ReporterTitlePublishedViews
Family
FreeBSD		xorg server -- Multiple vulnerabilities
3 Apr 202400:00
–freebsd
FreeBSD		xorg-server -- Overlay Window Use-After-Free
29 Mar 202300:00
–freebsd
FreeBSD		xorg server -- Multiple vulnerabilities
25 Feb 202500:00
–freebsd
ALT Linux		Security fix for the ALT Linux 10 package xorg-server version 2:1.20.14-alt8
5 Apr 202300:00
–altlinux
ATTACKERKB		CVE-2025-26600
25 Feb 202516:15
–attackerkb
ATTACKERKB		CVE-2023-1393
30 Mar 202321:15
–attackerkb
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2024-583)
17 Apr 202400:00
–nessus
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-Xwayland, xorg-x11-server-Xwayland-devel (ALAS2023-2025-891)
31 Mar 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2025-892)
31 Mar 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-Xwayland, xorg-x11-server-Xwayland-devel (ALAS2023-2025-895)
31 Mar 202500:00
–nessus
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01 Jun 2026 00:31Current
7High risk
Vulners AI Score7
CVSS 3.17.8
EPSS0.00513
SSVC
xwaylandoverlay use-after-freeevent heap overreadpassive grab bugfrozen device removal
6