========================================================================== Ubuntu Security Notice USN-7299-2 March 10, 2025
xorg-server, xorg-server-hwe-16.04, xorg-server-hwe-18.04 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in X.Org X Server.
Software Description:
- xorg-server: X.Org X11 server
- xorg-server-hwe-18.04: X.Org X11 server
- xorg-server-hwe-16.04: X.Org X11 server
Details:
USN-7299-1 fixed several vulnerabilities in X.Org. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
Original advisory details:
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain memory operations. An attacker could use these issues to cause the
X Server to crash, leading to a denial of service, or possibly execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS
xserver-xorg-core 2:1.19.6-1ubuntu4.15+esm10
Available with Ubuntu Pro
xserver-xorg-core-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.11+esm2
Available with Ubuntu Pro
xwayland 2:1.19.6-1ubuntu4.15+esm10
Available with Ubuntu Pro
xwayland-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.11+esm2
Available with Ubuntu Pro
Ubuntu 16.04 LTS
xserver-xorg-core 2:1.18.4-0ubuntu0.12+esm15
Available with Ubuntu Pro
xserver-xorg-core-hwe-16.04 2:1.19.6-1ubuntu4.1~16.04.6+esm7
Available with Ubuntu Pro
xwayland 2:1.18.4-0ubuntu0.12+esm15
Available with Ubuntu Pro
xwayland-hwe-16.04 2:1.19.6-1ubuntu4.1~16.04.6+esm7
Available with Ubuntu Pro
After a standard system update you need to reboot your computer to make all
the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7299-2
https://ubuntu.com/security/notices/USN-7299-1
CVE-2025-26594, CVE-2025-26595, CVE-2025-26596, CVE-2025-26597,
CVE-2025-26598, CVE-2025-26599, CVE-2025-26600, CVE-2025-26601
signature.asc
Description: PGP signature
