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CVE-2025-49178
June 17, 2025
A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.
Affected Packages
https://gitlab.freedesktop.org/xorg/xserver.git (SCM_GIT):
Affected version(s) >=xorg-server-0_99_1 <xorg-server-21.1.17
Fix Suggestion:
Update to version xorg-server-21.1.17
https://gitlab.freedesktop.org/xorg/xserver.git (SCM_GIT):
Affected version(s) >=xwayland-21.0.99.901 <xwayland-24.1.7
Fix Suggestion:
Update to version xwayland-24.1.7
Related Resources (33)
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CVSS 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)
Improper Locking
EPSS
Base Score:
0.07