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Affected Component
Analysis
mesa
Exploitable
Name
CVE-2026-40393
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
8.1
CVSSv31
9.8
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
mesa3d (buildroot:2025.02.x)
#
Title
Author
Resolve
1
spirv: Use STACK_ARRAY instead of NIR_VLA
Ian Romanick <ian.d.romanick@intel.com>
CVE-2026-40393
2
nir: Use STACK_ARRAY instead of NIR_VLA
Ian Romanick <ian.d.romanick@intel.com>
CVE-2026-40393