CVE-2026-109096 · Infrastructure
NO FIX YET · SEE WHAT TO DO
A bug in how X.Org X Server and Xwayland handle a negative return from ddQueryImageAttributes() during XvPutImage requests. An authenticated X client can send a crafted request to crash the X server.
first public Nov 13, 2026 · 1 source
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Systems running an X.Org X Server before 21.1.26 or Xwayland before 24.1.15 where clients can connect to the X server. The attacker must already hold an X client connection, so exposure is mostly on multi-user machines or hosts with untrusted local or networked X clients. Systems without an X server, or with X access limited to trusted clients, are less exposed.
Not affected if no-x-server, trusted-clients-only
Who cares linux, x.org, xserver, xwayland
Xorg -version or Xwayland -version to read the installed version.21.1.26 or Xwayland is earlier than 24.1.15.24.1.15 or later.21.1.26 or later.Incorrect handling of negative returns from ddQueryImageAttributes() when processing XvPutImage requests in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by authenticated X clients to crash the X server.
This page as .md · .json · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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