Executive Summary

This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Title X.Org X11 library: Multiple vulnerabilities
Name GLSA-201811-01 First vendor Publication 2018-11-09
Vendor Gentoo Last vendor Modification 2018-11-09
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores



Multiple vulnerabilities have been found in X.Org X11 library, the worst of which could allow for remote code execution.


X.Org is an implementation of the X Window System. The X.Org X11
library provides the X11 protocol library files.


Multiple vulnerabilities have been discovered in X.Org X11 library.
Please review the CVE identifiers referenced below for details.


A remote attacker, by enticing a user to connect to a malicious server, could cause the execution of arbitrary code with the privileges of the process, or cause a Denial of Service condition.


There is no known workaround at this time.


All X.Org X11 library users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libX11-1.6.6"


[ 1 ] CVE-2018-14598 : https://nvd.nist.gov/vuln/detail/CVE-2018-14598
[ 2 ] CVE-2018-14599 : https://nvd.nist.gov/vuln/detail/CVE-2018-14599
[ 3 ] CVE-2018-14600 : https://nvd.nist.gov/vuln/detail/CVE-2018-14600


This GLSA and any updates to it are available for viewing at the Gentoo Security Website:


Original Source

Url : http://security.gentoo.org/glsa/glsa-201811-01.xml

CWE : Common Weakness Enumeration

% Id Name
33 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
33 % CWE-193 Off-by-one Error
33 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

Application 35
Os 4
Os 1
Os 1

Nessus® Vulnerability Scanner

Date Description
2018-11-09 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201811-01.nasl - Type : ACT_GATHER_INFO
2018-08-30 Name : The remote Debian host is missing a security update.
File : debian_DLA-1482.nasl - Type : ACT_GATHER_INFO
2018-08-23 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_fe99d3caa63a11e8a7c654e1ad3d6335.nasl - Type : ACT_GATHER_INFO
2018-08-22 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2018-233-01.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2018-11-09 05:17:26
  • First insertion