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Microsoft Security Response CenterCVE-2026-109904

X.Org Server XRes QueryClientIds Request Size Overflow

Medium 1 CVE Published Nov 13, 2026 at 8:38 PM UTC
Get alerts for azl3 wayland 1.22.0-1 on Azure Linux

Summary

Mariner

Products covered

  • azl3 wayland 1.22.0-1 on Azure Linux 3.0

  • azl3 xorg-x11-server-Xwayland 24.1.14-1 on Azure Linux 3.0

Remediation

Release Notes

CVEs in this advisory 1

CVE-2026-109904

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

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Uncontrolled search path for the libva software for all versions within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an authenticated user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires active user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

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