========================================================================== Ubuntu Security Notice USN-5614-1 September 15, 2022
wayland vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Wayland could be made to crash or run programs. Software Description: - wayland: Wayland compositor infrastructure Details: It was discovered that Wayland incorrectly handled reference counting certain objects. An attacker could use this issue to cause Wayland to crash, resulting in 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 22.04 LTS: libwayland-bin 1.20.0-1ubuntu0.1 libwayland-client0 1.20.0-1ubuntu0.1 libwayland-egl1 1.20.0-1ubuntu0.1 libwayland-server0 1.20.0-1ubuntu0.1 Ubuntu 20.04 LTS: libwayland-bin 1.18.0-1ubuntu0.1 libwayland-client0 1.18.0-1ubuntu0.1 libwayland-egl1 1.18.0-1ubuntu0.1 libwayland-server0 1.18.0-1ubuntu0.1 Ubuntu 18.04 LTS: libwayland-bin 1.16.0-1ubuntu1.1~18.04.4 libwayland-client0 1.16.0-1ubuntu1.1~18.04.4 libwayland-egl1 1.16.0-1ubuntu1.1~18.04.4 libwayland-server0 1.16.0-1ubuntu1.1~18.04.4 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5614-1 CVE-2021-3782 Package Information: https://launchpad.net/ubuntu/+source/wayland/1.20.0-1ubuntu0.1 https://launchpad.net/ubuntu/+source/wayland/1.18.0-1ubuntu0.1 https://launchpad.net/ubuntu/+source/wayland/1.16.0-1ubuntu1.1~18.04.4
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