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xorg-x11-server: XkbGetKbdByName use-after-free

🗓️ 16 May 2023 08:56:12Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

X.Org server flaw: freed memory in keyboard handling causes out-of-bounds access, enabling privilege escalation and remote code execution.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
FreeBSD		xorg-server -- Multiple security issues in X server extensions
14 Dec 202200:00
–freebsd
Tenable Nessus		Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2023-102)
21 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : xorg-x11-server (ALAS-2023-1982)
7 Mar 202300:00
–nessus
Tenable Nessus		Amazon Linux AMI : xorg-x11-server (ALAS-2023-1689)
23 Feb 202300:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0062: xorg-x11-server (ALINUX3-SA-2023:0062)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0063: tigervnc (ALINUX3-SA-2023:0063)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0044: xorg-x11-server-Xwayland (ALINUX3-SA-2024:0044)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : xorg-x11-server (ALSA-2023:2248)
14 May 202300:00
–nessus
Tenable Nessus		AlmaLinux 9 : xorg-x11-server-Xwayland (ALSA-2023:2249)
14 May 202300:00
–nessus
Tenable Nessus		AlmaLinux 9 : tigervnc (ALSA-2023:2257)
14 May 202300:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64tigervnc0:1.12.0-15.el8_8tigervnc-0:1.12.0-15.el8_8.aarch64.rpm
Red Hat Enterprise Linux8ppc64letigervnc0:1.12.0-15.el8_8tigervnc-0:1.12.0-15.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8s390xtigervnc0:1.12.0-15.el8_8tigervnc-0:1.12.0-15.el8_8.s390x.rpm
Red Hat Enterprise Linux8x86_64tigervnc0:1.12.0-15.el8_8tigervnc-0:1.12.0-15.el8_8.x86_64.rpm
Red Hat Enterprise Linux8aarch64tigervnc-debuginfo0:1.12.0-15.el8_8tigervnc-debuginfo-0:1.12.0-15.el8_8.aarch64.rpm
Red Hat Enterprise Linux8ppc64letigervnc-debuginfo0:1.12.0-15.el8_8tigervnc-debuginfo-0:1.12.0-15.el8_8.ppc64le.rpm
Red Hat Enterprise Linux8s390xtigervnc-debuginfo0:1.12.0-15.el8_8tigervnc-debuginfo-0:1.12.0-15.el8_8.s390x.rpm
Red Hat Enterprise Linux8x86_64tigervnc-debuginfo0:1.12.0-15.el8_8tigervnc-debuginfo-0:1.12.0-15.el8_8.x86_64.rpm
Red Hat Enterprise Linux8aarch64tigervnc-debugsource0:1.12.0-15.el8_8tigervnc-debugsource-0:1.12.0-15.el8_8.aarch64.rpm
Red Hat Enterprise Linux8ppc64letigervnc-debugsource0:1.12.0-15.el8_8tigervnc-debugsource-0:1.12.0-15.el8_8.ppc64le.rpm
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21 Nov 2025 18:40Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.17.8
EPSS0.00958
SSVC
CWE-416
use after freekeyboard handlinglocal privilege escalationremote code executionXorg server flaw
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