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OpenAdvisories

Vendor

X.Org

58 known vulnerabilities.

Products

xwayland 30 xorg-x11-server 16 libXi 9 libX11 4 libXfont2 3 Server 3 libXtst 2 libXdmcp 1 libICE 1 libXrender 1 libXpm 1 X server 1 xorg-server 1
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  • Critical 9.0
    CVE-2026-56000

    xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent()

    Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.

    X.Org xwayland xorg-x11-server xorg-server Debian Ubuntu Azure Linux Alpine Wolfi