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CVE-2026-40393

HIGH CVSS 8.1 View on NVD ↗

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.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Published: Apr 12, 2026 19:16 UTC Modified: Apr 13, 2026 15:01 UTC