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Ubuntu 25.10 Mesa Important Denial Of Service USN-8427-1 CVE-2026-40393

ubuntu
Calendar Grey June 15, 2026
Dist Ubuntu Esm H88
Mesa in Ubuntu may crash or execute arbitrary code from crafted input. Update now for protection.
Mesa could be made to crash or run programs if it received specially crafted input.

Summary

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.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important memory allocation mesa

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

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8427-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu important memory allocation mesa

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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