CVE-2026-40393 · cross-distro fix matrix

CVE-2026-40393: It was discovered that Mesa did not properly validate memory allocation

Affects 3 Linux releases across 50 (distro × package) combinations. First disclosed: 2026-06-15.

Fix per ecosystem

Each block below is a distro release where CVE-2026-40393 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

mesa→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa
```
libd3dadapter9-mesa→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libd3dadapter9-mesa
```
libd3dadapter9-mesa-dev→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libd3dadapter9-mesa-dev
```
libegl-mesa0→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libegl-mesa0
```
libegl1-mesa-dev→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libegl1-mesa-dev
```
libgbm-dev→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libgbm-dev
```
libgbm1→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libgbm1
```
libgl1-mesa-dev→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libgl1-mesa-dev
```
libgl1-mesa-dri→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libgl1-mesa-dri
```
libglapi-mesa→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libglapi-mesa
```
libgles2-mesa-dev→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libgles2-mesa-dev
```
libglx-mesa0→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libglx-mesa0
```
libosmesa6→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libosmesa6
```
libosmesa6-dev→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libosmesa6-dev
```
libxatracker-dev→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libxatracker-dev
```
libxatracker2→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y libxatracker2
```
mesa-common-dev→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-common-dev
```
mesa-drm-shim→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-drm-shim
```
mesa-opencl-icd→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-opencl-icd
```
mesa-va-drivers→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-va-drivers
```
mesa-vdpau-drivers→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-vdpau-drivers
```
mesa-vulkan-drivers→ fixed in23.2.1-1ubuntu3.1~22.04.4USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-vulkan-drivers
```

Ubuntu noble

Source: Ubuntu USN

mesa→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa
```
libegl-mesa0→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libegl-mesa0
```
libegl1-mesa-dev→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libegl1-mesa-dev
```
libgbm-dev→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgbm-dev
```
libgbm1→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgbm1
```
libgl1-mesa-dev→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgl1-mesa-dev
```
libgl1-mesa-dri→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgl1-mesa-dri
```
libgles2-mesa-dev→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgles2-mesa-dev
```
libglx-mesa0→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libglx-mesa0
```
mesa-common-dev→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-common-dev
```
mesa-drm-shim→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-drm-shim
```
mesa-libgallium→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-libgallium
```
mesa-opencl-icd→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-opencl-icd
```
mesa-teflon-delegate→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-teflon-delegate
```
mesa-va-drivers→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-va-drivers
```
mesa-vdpau-drivers→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-vdpau-drivers
```
mesa-vulkan-drivers→ fixed in25.2.8-0ubuntu0.24.04.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-vulkan-drivers
```

Ubuntu questing

Source: Ubuntu USN

mesa→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa
```
libegl-mesa0→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libegl-mesa0
```
libegl1-mesa-dev→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libegl1-mesa-dev
```
libgbm-dev→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgbm-dev
```
libgbm1→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgbm1
```
libgl1-mesa-dev→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgl1-mesa-dev
```
libgl1-mesa-dri→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgl1-mesa-dri
```
libgles2-mesa-dev→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libgles2-mesa-dev
```
libglx-mesa0→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y libglx-mesa0
```
mesa-common-dev→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-common-dev
```
mesa-drm-shim→ fixed in25.2.8-0ubuntu0.25.10.2USN-8427-1
```
sudo apt-get install --only-upgrade -y mesa-drm-shim
```

Are YOU affected by CVE-2026-40393?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

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