cbcvebase.
CVE-2025-49178
published 2025-06-17

CVE-2025-49178: 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…

medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
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

14 ranges
VendorProductVersion rangeFixed in
debianxorg-server< xorg-server 2:21.1.7-3+deb12u10 (bookworm)xorg-server 2:21.1.7-3+deb12u10 (bookworm)
debianxwayland< xorg-server 2:21.1.7-3+deb12u10 (bookworm)xorg-server 2:21.1.7-3+deb12u10 (bookworm)
msrcazl3_wayland_1.22.0-1_on_azure_linux_3.0
msrcazl3_xorg-x11-server-xwayland_24.1.6-2_on_azure_linux_3.0
msrccbl2_kernel_5.15.186.1-1_on_cbl_mariner_2.0
msrccbl2_kernel_5.15.200.1-1_on_cbl_mariner_2.0
msrccbl2_kernel_5.15.202.1-1_on_cbl_mariner_2.0
msrccbl2_xorg-x11-server_1.20.10-16_on_cbl_mariner_2.0
x.orgxorg-server>= 0 < 2:1.20.11-1+deb11u162:1.20.11-1+deb11u16
x.orgxorg-server>= 0 < 2:21.1.7-3+deb12u102:21.1.7-3+deb12u10
x.orgxorg-server>= 0 < 2:21.1.16-1.22:21.1.16-1.2
x.orgxorg-server>= 0 < 2:21.1.16-1.22:21.1.16-1.2
x.orgxwayland< 24.1.724.1.7
x.orgxwayland>= 0 < 2:24.1.8-12:24.1.8-1

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM