Ubuntu Security Notices
USN-6721-1

USN-6721-1: X.Org X Server vulnerabilities

Publication date

4 April 2024

Overview

Several security issues were fixed in X.Org X Server, xwayland.

Releases

23.10 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS 14.04 LTS

Packages

xorg-server - X.Org X11 server
xwayland - X server for running X clients under Wayland

Details

It was discovered that X.Org X Server incorrectly handled certain data.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2024-31080, CVE-2024-31081, CVE-2024-31082)

It was discovered that X.Org X Server incorrectly handled certain glyphs.
An attacker could possibly use this issue to cause a crash or expose sensitive
information. (CVE-2024-31083)

It was discovered that X.Org X Server incorrectly handled certain data.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2024-31080, CVE-2024-31081, CVE-2024-31082)

It was discovered that X.Org X Server incorrectly handled certain glyphs.
An attacker could possibly use this issue to cause a crash or expose sensitive
information. (CVE-2024-31083)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release	Package Version
23.10 mantic	xserver-xorg-core – 2:21.1.7-3ubuntu2.8
23.10 mantic	xwayland – 2:23.2.0-1ubuntu0.5
22.04 jammy	xserver-xorg-core – 2:21.1.4-2ubuntu1.7~22.04.9
22.04 jammy	xwayland – 2:22.1.1-1ubuntu0.12
20.04 focal	xserver-xorg-core – 2:1.20.13-1ubuntu1~20.04.16
20.04 focal	xwayland – 2:1.20.13-1ubuntu1~20.04.16
18.04 bionic	xserver-xorg-core – 2:1.19.6-1ubuntu4.15+esm7
18.04 bionic	xwayland – 2:1.19.6-1ubuntu4.15+esm7
16.04 xenial	xserver-xorg-core – 2:1.18.4-0ubuntu0.12+esm12
16.04 xenial	xwayland – 2:1.18.4-0ubuntu0.12+esm12
14.04 trusty	xserver-xorg-core – 2:1.15.1-0ubuntu2.11+esm11

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USN-6721-1: X.Org X Server vulnerabilities

Packages

Details

Update instructions

Reduce your security exposure

References