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CVE-2026-40393

HIGH CVSS: 8.1 Published: 2026-04-12 Modified: 2026-07-13

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 Platforms

Mesa3D Mesa

Weakness Type

CWE-787

References