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xorg-x11-server: xorg-x11-server: Arbitrary code execution via use-after-free in passive grab handling

🗓️ 19 Oct 2026 04:07:45Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Local use-after-free in xorg-x11-server passive grab handling allows code execution or DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
xorg -- Multiple vulnerabilities
7 Oct 202600:00
–freebsd
alpinelinux
AlpineLinux
CVE-2026-93516
1 Jan 197600:00
–alpinelinux
cve
CVE
CVE-2026-93516
1 Jan 197600:00
–cve
debiancve
Debian CVE
CVE-2026-93516
1 Jan 197600:00
–debiancve
oraclelinux
Oracle linux
xorg-x11-server security update
19 Oct 202600:00
–oraclelinux
oraclelinux
Oracle linux
xorg-x11-server-Xwayland security update
19 Oct 202600:00
–oraclelinux
oraclelinux
Oracle linux
xorg-x11-server-Xwayland security update
19 Oct 202600:00
–oraclelinux
fedora
Fedora
[SECURITY] Fedora 44 Update: xorg-x11-server-Xwayland-24.1.14-1.fc44
9 Oct 202601:08
–fedora
nessus
Tenable Nessus
Fedora 44 : xorg-x11-server-Xwayland (2026-2448dda850)
9 Oct 202600:00
–nessus
nessus
Tenable Nessus
FreeBSD : xorg -- Multiple vulnerabilities (06bf834f-c31f-11f1-9b94-901b0e13f1a0)
8 Oct 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64xorg-x11-server-common1.20.11-34.el9_8.5xorg-x11-server-common-1.20.11-34.el9_8.5.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lexorg-x11-server-common1.20.11-34.el9_8.5xorg-x11-server-common-1.20.11-34.el9_8.5.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xxorg-x11-server-common1.20.11-34.el9_8.5xorg-x11-server-common-1.20.11-34.el9_8.5.s390x.rpm
Red Hat Enterprise Linux9.8x86_64xorg-x11-server-common1.20.11-34.el9_8.5xorg-x11-server-common-1.20.11-34.el9_8.5.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64xorg-x11-server-debuginfo1.20.11-34.el9_8.5xorg-x11-server-debuginfo-1.20.11-34.el9_8.5.aarch64.rpm
Red Hat Enterprise Linux9.8i686xorg-x11-server-debuginfo1.20.11-34.el9_8.5xorg-x11-server-debuginfo-1.20.11-34.el9_8.5.i686.rpm
Red Hat Enterprise Linux9.8ppc64lexorg-x11-server-debuginfo1.20.11-34.el9_8.5xorg-x11-server-debuginfo-1.20.11-34.el9_8.5.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xxorg-x11-server-debuginfo1.20.11-34.el9_8.5xorg-x11-server-debuginfo-1.20.11-34.el9_8.5.s390x.rpm
Red Hat Enterprise Linux9.8x86_64xorg-x11-server-debuginfo1.20.11-34.el9_8.5xorg-x11-server-debuginfo-1.20.11-34.el9_8.5.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64xorg-x11-server-debugsource1.20.11-34.el9_8.5xorg-x11-server-debugsource-1.20.11-34.el9_8.5.aarch64.rpm
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19 Oct 2026 17:16Current
6.5Medium risk
Vulners AI Score6.5
4