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Vulnerabilities / CVE-2026-40393

critical

CVE-2026-40393

In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory acces ...

Published Modified CWE 787
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, Photon OS. Rated lower by Amazon (high), Azure Linux (high), Ubuntu (medium).

Description

In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party, and is then used for alloca.

Affected packages and fixed versions

SourcePackageFixed in
Photon OS 4.0mesa, mesa-libgbm, mesa-libgbm-devel and 1 more23.0.0-7.ph4
Photon OS 5.0mesa, mesa-dri-devel, mesa-libEGL and 5 more25.1.4-2.2.ph5
amazon linux 2mesa-debuginfo, mesa-dri-drivers, mesa-filesystem and 16 more18.3.4-5.amzn2.0.2
amazon linux 2023mesa-debuginfo, mesa-debugsource, mesa-dri-drivers and 29 more24.2.6-1268.amzn2023.0.1
Azure Linux 3.0mesa0:24.0.1-8.azl3
debian 11mesa20.3.5-1+deb11u1
debian 12mesa22.3.6-1+deb12u2
debian 13mesa25.0.7-2+deb13u1
debian 14mesa26.0.1-1
echomesa22.3.6-1+deb12u2
rapidfort alpine 3.20mesa26.0.0-r0
rapidfort alpine 3.21mesa26.0.0-r0
Show all 120 entries from 26 sources
SourcePackageFixed in
Photon OS 4.0mesa23.0.0-7.ph4
Photon OS 4.0mesa-libgbm23.0.0-7.ph4
Photon OS 4.0mesa-libgbm-devel23.0.0-7.ph4
Photon OS 4.0mesa-vulkan-drivers23.0.0-7.ph4
Photon OS 5.0mesa25.1.4-2.2.ph5
Photon OS 5.0mesa-dri-devel25.1.4-2.2.ph5
Photon OS 5.0mesa-libEGL25.1.4-2.2.ph5
Photon OS 5.0mesa-libEGL-devel25.1.4-2.2.ph5
Photon OS 5.0mesa-libgallium25.1.4-2.2.ph5
Photon OS 5.0mesa-libgbm25.1.4-2.2.ph5
Photon OS 5.0mesa-libgbm-devel25.1.4-2.2.ph5
Photon OS 5.0mesa-vulkan-drivers25.1.4-2.2.ph5
amazon linux 2mesa-debuginfo18.3.4-5.amzn2.0.2
amazon linux 2mesa-dri-drivers18.3.4-5.amzn2.0.2
amazon linux 2mesa-filesystem18.3.4-5.amzn2.0.2
amazon linux 2mesa-khr-devel18.3.4-5.amzn2.0.2
amazon linux 2mesa-libEGL18.3.4-5.amzn2.0.2
amazon linux 2mesa-libEGL-devel18.3.4-5.amzn2.0.2
amazon linux 2mesa-libGL18.3.4-5.amzn2.0.2
amazon linux 2mesa-libGL-devel18.3.4-5.amzn2.0.2
amazon linux 2mesa-libGLES18.3.4-5.amzn2.0.2
amazon linux 2mesa-libGLES-devel18.3.4-5.amzn2.0.2
amazon linux 2mesa-libOSMesa18.3.4-5.amzn2.0.2
amazon linux 2mesa-libOSMesa-devel18.3.4-5.amzn2.0.2
amazon linux 2mesa-libgbm18.3.4-5.amzn2.0.2
amazon linux 2mesa-libgbm-devel18.3.4-5.amzn2.0.2
amazon linux 2mesa-libglapi18.3.4-5.amzn2.0.2
amazon linux 2mesa-libxatracker18.3.4-5.amzn2.0.2
amazon linux 2mesa-libxatracker-devel18.3.4-5.amzn2.0.2
amazon linux 2mesa-vdpau-drivers18.3.4-5.amzn2.0.2
amazon linux 2mesa-vulkan-drivers18.3.4-5.amzn2.0.2
amazon linux 2023mesa-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-debugsource24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-dri-drivers24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-dri-drivers-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-filesystem24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libEGL24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libEGL-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libEGL-devel24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libGL24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libGL-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libGL-devel24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libOSMesa24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libOSMesa-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libOSMesa-devel24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libOpenCL24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libOpenCL-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libOpenCL-devel24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libd3d24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libd3d-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libd3d-devel24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libgbm24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libgbm-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libgbm-devel24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libglapi24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libglapi-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libxatracker24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libxatracker-debuginfo24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-libxatracker-devel24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-va-drivers24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-vdpau-drivers24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-vulkan-drivers24.2.6-1268.amzn2023.0.1
amazon linux 2023mesa-vulkan-drivers-debuginfo24.2.6-1268.amzn2023.0.1
Azure Linux 3.0mesa0:24.0.1-8.azl3
debian 11mesa20.3.5-1+deb11u1
debian 12mesa22.3.6-1+deb12u2
debian 13mesa25.0.7-2+deb13u1
debian 14mesa26.0.1-1
echomesa22.3.6-1+deb12u2
rapidfort alpine 3.20mesa26.0.0-r0
rapidfort alpine 3.21mesa26.0.0-r0
rapidfort alpine 3.22mesa26.0.0-r0
rapidfort alpine 3.23mesa26.0.0-r0
rapidfort alpine 3.24mesa26.0.0-r0
rapidfort amazon linux 2023mesa-dri-drivers24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-filesystem24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libEGL24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libEGL-devel24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libGL24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libGL-devel24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libOSMesa24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libOSMesa-devel24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libOpenCL24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libOpenCL-devel24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libd3d24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libd3d-devel24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libgbm24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libgbm-devel24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libglapi24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libxatracker24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-libxatracker-devel24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-va-drivers24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-vdpau-drivers24.2.6-1268.amzn2023.0.1
rapidfort amazon linux 2023mesa-vulkan-drivers24.2.6-1268.amzn2023.0.1
rapidfort debian 12mesa0:25.0.7-2+deb13u1, 0:26.0.1-1
rapidfort debian 13mesa0:25.0.7-2+deb13u1, 0:26.0.1-1
rapidfort fedora 43mesa0:25.3.6-2.fc43
rapidfort fedora 43mesa-dri-drivers0:25.3.6-2.fc43
rapidfort fedora 43mesa-dxil-devel25.3.6-2.fc43
rapidfort fedora 43mesa-filesystem0:25.3.6-2.fc43
rapidfort fedora 43mesa-libEGL25.3.6-2.fc43
rapidfort fedora 43mesa-libEGL-devel25.3.6-2.fc43
rapidfort fedora 43mesa-libGL0:25.3.6-2.fc43
rapidfort fedora 43mesa-libGL-devel25.3.6-2.fc43
rapidfort fedora 43mesa-libOpenCL25.3.6-2.fc43
rapidfort fedora 43mesa-libOpenCL-devel25.3.6-2.fc43
rapidfort fedora 43mesa-libTeflon25.3.6-2.fc43
rapidfort fedora 43mesa-libgbm0:25.3.6-2.fc43
rapidfort fedora 43mesa-libgbm-devel25.3.6-2.fc43
rapidfort fedora 43mesa-va-drivers0:25.3.6-2.fc43
rapidfort fedora 43mesa-vdpau-drivers25.3.6-2.fc43
rapidfort fedora 43mesa-vulkan-drivers25.3.6-2.fc43
rapidfort ubuntu 20.04mesa0:25.2.8-0ubuntu0.24.04.2
rapidfort ubuntu 22.04mesa0:25.2.8-0ubuntu0.24.04.2
rapidfort ubuntu 24.04mesa0:25.2.8-0ubuntu0.24.04.2
root.io debian 13mesa25.0.7-2.root.io.1
root.io debian 13rootio-mesa25.0.7-2.root.io.1
ubuntu 22.04mesa23.2.1-1ubuntu3.1~22.04.4
ubuntu 24.04mesa25.2.8-0ubuntu0.24.04.2
ubuntu 25.10mesa25.2.8-0ubuntu0.25.10.2

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.