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libxkbcommon: NULL pointer dereference in LookupModMask resulting in a crash

🗓️ 06 Aug 2019 14:12:28Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Libxkbcommon has a NULL pointer dereference in LookupModMask that can crash the parser via a crafted keymap.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : xorg-x11-server (ALAS-2020-1433)
4 Jun 202000:00
–nessus
Tenable Nessus		CentOS 7 : gdm / libX11 / libxkbcommon / xorg-x11-drv-ati / xorg-x11-drv-vesa / etc (CESA-2019:2079)
30 Aug 201900:00
–nessus
Tenable Nessus		EulerOS 2.0 SP5 : libxkbcommon (EulerOS-SA-2019-2540)
9 Dec 201900:00
–nessus
Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.2.0 : libxkbcommon (EulerOS-SA-2020-1246)
13 Mar 202000:00
–nessus
Tenable Nessus		GLSA-201810-05 : xkbcommon: Multiple vulnerabilities
31 Oct 201800:00
–nessus
Tenable Nessus		NewStart CGSL CORE 5.04 / MAIN 5.04 : libxkbcommon Multiple Vulnerabilities (NS-SA-2019-0199)
24 Oct 201900:00
–nessus
Tenable Nessus		NewStart CGSL CORE 5.05 / MAIN 5.05 : libxkbcommon Multiple Vulnerabilities (NS-SA-2019-0246)
31 Dec 201900:00
–nessus
Tenable Nessus		NewStart CGSL CORE 5.05 / MAIN 5.05 : mesa-libGLw Multiple Vulnerabilities (NS-SA-2023-0024)
11 Apr 202300:00
–nessus
Tenable Nessus		NewStart CGSL CORE 5.05 / MAIN 5.05 : xorg-x11-drv-ati Multiple Vulnerabilities (NS-SA-2023-0026)
11 Apr 202300:00
–nessus
Tenable Nessus		Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-5.10.9)
1 Sep 202200:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppcgdm1:3.28.2-16.el7gdm-1:3.28.2-16.el7.ppc.rpm
Red Hat Enterprise Linux7ppc64gdm1:3.28.2-16.el7gdm-1:3.28.2-16.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64legdm1:3.28.2-16.el7gdm-1:3.28.2-16.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390gdm1:3.28.2-16.el7gdm-1:3.28.2-16.el7.s390.rpm
Red Hat Enterprise Linux7s390xgdm1:3.28.2-16.el7gdm-1:3.28.2-16.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64gdm1:3.28.2-16.el7gdm-1:3.28.2-16.el7.x86_64.rpm
Red Hat Enterprise Linux7anygdm1:3.28.2-16.el7.i686gdm-1:3.28.2-16.el7.i686.noarch.rpm
Red Hat Enterprise Linux7ppcgdm-debuginfo1:3.28.2-16.el7gdm-debuginfo-1:3.28.2-16.el7.ppc.rpm
Red Hat Enterprise Linux7ppc64gdm-debuginfo1:3.28.2-16.el7gdm-debuginfo-1:3.28.2-16.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64legdm-debuginfo1:3.28.2-16.el7gdm-debuginfo-1:3.28.2-16.el7.ppc64le.rpm
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29 Jun 2026 22:18Current
7.3High risk
Vulners AI Score7.3
CVSS 22.1
CVSS 35.5
EPSS0.00433
CWE-476
libxkbcommonnull pointer dereferenceLookupModMaskxkbcomp exprxkbcommon 0.8.2crafted keymapinvalid virtual modifiers
5