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xorg-x11-server: out-of-bounds memory reads/writes in XKB button actions

🗓️ 02 Jan 2024 08:37:17Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Flaw in xorg-server lets out-of-bounds reads/writes in XKB actions, risking escalation or remote code execution via X11 forwarding.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7.9ppc64xorg-x11-server-common1.20.4-25.el7_9xorg-x11-server-common-1.20.4-25.el7_9.ppc64.rpm
Red Hat Enterprise Linux7.9ppc64lexorg-x11-server-common1.20.4-25.el7_9xorg-x11-server-common-1.20.4-25.el7_9.ppc64le.rpm
Red Hat Enterprise Linux7.9s390xxorg-x11-server-common1.20.4-25.el7_9xorg-x11-server-common-1.20.4-25.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64xorg-x11-server-common1.20.4-25.el7_9xorg-x11-server-common-1.20.4-25.el7_9.x86_64.rpm
Red Hat Enterprise Linux7.9i686xorg-x11-server-debuginfo1.20.4-25.el7_9xorg-x11-server-debuginfo-1.20.4-25.el7_9.i686.rpm
Red Hat Enterprise Linux7.9ppcxorg-x11-server-debuginfo1.20.4-25.el7_9xorg-x11-server-debuginfo-1.20.4-25.el7_9.ppc.rpm
Red Hat Enterprise Linux7.9ppc64xorg-x11-server-debuginfo1.20.4-25.el7_9xorg-x11-server-debuginfo-1.20.4-25.el7_9.ppc64.rpm
Red Hat Enterprise Linux7.9ppc64lexorg-x11-server-debuginfo1.20.4-25.el7_9xorg-x11-server-debuginfo-1.20.4-25.el7_9.ppc64le.rpm
Red Hat Enterprise Linux7.9s390xxorg-x11-server-debuginfo1.20.4-25.el7_9xorg-x11-server-debuginfo-1.20.4-25.el7_9.s390x.rpm
Red Hat Enterprise Linux7.9x86_64xorg-x11-server-debuginfo1.20.4-25.el7_9xorg-x11-server-debuginfo-1.20.4-25.el7_9.x86_64.rpm
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25 Jun 2026 11:04Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.17.8
EPSS0.01587
SSVC
4