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CVE-2026-40393
Published: Apr 12, 2026
Modified: Apr 13, 2026
PUBLISHED
CVSS v3.1
8.1
HIGH
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.
| Vendor | Product | Versions |
|---|---|---|
mesa3d | Mesa | affected 0 - < 25.3.6affected 26.0.0 - < 26.0.1 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
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