========================================================================== Ubuntu Security Notice USN-8427-1 June 15, 2026
mesa vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Mesa could be made to crash or run programs if it received specially crafted input. Software Description: - mesa: free implementation of the EGL API Details: It was discovered that Mesa did not properly validate memory allocation sizes in WebGPU under certain circumstances. An attacker could use this issue to cause Mesa 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 25.10 libegl-mesa0 25.2.8-0ubuntu0.25.10.2 libgbm1 25.2.8-0ubuntu0.25.10.2 libgl1-mesa-dri 25.2.8-0ubuntu0.25.10.2 libglx-mesa0 25.2.8-0ubuntu0.25.10.2 mesa-drm-shim 25.2.8-0ubuntu0.25.10.2 mesa-libgallium 25.2.8-0ubuntu0.25.10.2 mesa-opencl-icd 25.2.8-0ubuntu0.25.10.2 mesa-teflon-delegate 25.2.8-0ubuntu0.25.10.2 mesa-va-drivers 25.2.8-0ubuntu0.25.10.2 mesa-vdpau-drivers 25.2.8-0ubuntu0.25.10.2 mesa-vulkan-drivers 25.2.8-0ubuntu0.25.10.2 Ubuntu 24.04 LTS libegl-mesa0 25.2.8-0ubuntu0.24.04.2 libgbm1 25.2.8-0ubuntu0.24.04.2 libgl1-mesa-dri 25.2.8-0ubuntu0.24.04.2 libglx-mesa0 25.2.8-0ubuntu0.24.04.2 mesa-drm-shim 25.2.8-0ubuntu0.24.04.2 mesa-libgallium 25.2.8-0ubuntu0.24.04.2 mesa-opencl-icd 25.2.8-0ubuntu0.24.04.2 mesa-teflon-delegate 25.2.8-0ubuntu0.24.04.2 mesa-va-drivers 25.2.8-0ubuntu0.24.04.2 mesa-vdpau-drivers 25.2.8-0ubuntu0.24.04.2 mesa-vulkan-drivers 25.2.8-0ubuntu0.24.04.2 Ubuntu 22.04 LTS libd3dadapter9-mesa 23.2.1-1ubuntu3.1~22.04.4 libegl-mesa0 23.2.1-1ubuntu3.1~22.04.4 libgbm1 23.2.1-1ubuntu3.1~22.04.4 libgl1-mesa-dri 23.2.1-1ubuntu3.1~22.04.4 libglapi-mesa 23.2.1-1ubuntu3.1~22.04.4 libglx-mesa0 23.2.1-1ubuntu3.1~22.04.4 libosmesa6 23.2.1-1ubuntu3.1~22.04.4 libxatracker2 23.2.1-1ubuntu3.1~22.04.4 mesa-drm-shim 23.2.1-1ubuntu3.1~22.04.4 mesa-opencl-icd 23.2.1-1ubuntu3.1~22.04.4 mesa-va-drivers 23.2.1-1ubuntu3.1~22.04.4 mesa-vdpau-drivers 23.2.1-1ubuntu3.1~22.04.4 mesa-vulkan-drivers 23.2.1-1ubuntu3.1~22.04.4 After a standard system update you need to restart your session to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8427-1 CVE-2026-40393 Package Information: https://launchpad.net/ubuntu/+source/mesa/25.2.8-0ubuntu0.25.10.2 https://launchpad.net/ubuntu/+source/mesa/25.2.8-0ubuntu0.24.04.2 https://launchpad.net/ubuntu/+source/mesa/23.2.1-1ubuntu3.1~22.04.4
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