CVE-2026-40393
HIGH
NVD
CVSS Score
8.1
Severity
HIGH
Published
Apr 12, 2026
Vendor
unknown
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.