Description
An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
References (12)
Scores
CVSS v3
9.8
EPSS
0.0173
EPSS Percentile
82.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-193
Status
published
Products (10)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
debian/debian_linux
8.0
fedoraproject/fedora
28
redhat/enterprise_linux_desktop
7.0
redhat/enterprise_linux_server
7.0
redhat/enterprise_linux_workstation
7.0
x.org/libx11
< 1.6.5
Published
Aug 24, 2018
Tracked Since
Feb 18, 2026