Description
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
References (10)
Scores
CVSS v3
5.5
EPSS
0.0006
EPSS Percentile
18.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-665
Status
published
Products (7)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
20.04
debian/debian_linux
9.0
debian/debian_linux
10.0
x.org/x_server
< 1.20.9
Published
Aug 05, 2020
Tracked Since
Feb 18, 2026