========================================================================== Ubuntu Security Notice USN-7846-1 October 29, 2025
xorg-server, xwayland vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in X.Org X Server. Software Description: - xorg-server: X.Org X11 server - xwayland: X server for running X clients under Wayland 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, obtain sensitive information, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 xserver-xorg-core 2:21.1.18-1ubuntu1.1 xwayland 2:24.1.6-1ubuntu1.1 Ubuntu 25.04 xserver-xorg-core 2:21.1.16-1ubuntu1.2 xwayland 2:24.1.6-1ubuntu0.2 Ubuntu 24.04 LTS xserver-xorg-core 2:21.1.12-1ubuntu1.5 xwayland 2:23.2.6-1ubuntu0.7 Ubuntu 22.04 LTS xserver-xorg-core 2:21.1.4-2ubuntu1.7~22.04.16 xwayland 2:22.1.1-1ubuntu0.20 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7846-1 CVE-2025-62229, CVE-2025-62230, CVE-2025-62231 Package Information: https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.18-1ubuntu1.1 https://launchpad.net/ubuntu/+source/xwayland/2:24.1.6-1ubuntu1.1 https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.16-1ubuntu1.2 https://launchpad.net/ubuntu/+source/xwayland/2:24.1.6-1ubuntu0.2 https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.12-1ubuntu1.5 https://launchpad.net/ubuntu/+source/xwayland/2:23.2.6-1ubuntu0.7 https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.4-2ubuntu1.7~22.04.16 https://launchpad.net/ubuntu/+source/xwayland/2:22.1.1-1ubuntu0.20
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