CVE-2026-109096
Published:November 13, 2026
Updated:November 13, 2026
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.
Affected Packages
https://gitlab.freedesktop.org/xorg/xserver.git (SCM_GIT):
Affected version(s) >=xwayland-21.0.99.901 <xwayland-24.1.15 || >=xwayland-22.0.99.901 <xwayland-24.1.15 || >=xwayland-23.0.99.901 <xwayland-24.1.15 || >=xwayland-24.0.99.901 <xwayland-24.1.15Fix Suggestion:
Update to version xwayland-24.1.15https://gitlab.freedesktop.org/xorg/xserver.git (SCM_GIT):
Affected version(s) >=xf86-4_3_0_1 <xorg-server-21.1.26 || >=XORG-6_7_0 <xorg-server-21.1.26 || >=XORG-7_0 <xorg-server-21.1.26 || >=xorg-server-0_99_1 <xorg-server-21.1.26 || >=xorg-server-21.0.99.1 <xorg-server-21.1.26Fix Suggestion:
Update to version xorg-server-21.1.26Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Buffer Access with Incorrect Length Value