CVEvulnerability

CVE-2026-40393

9.8 CRITICAL Published 2026-04-12 Modified 2026-10-26 Official page ↗
Status
Modified
Published
2026-04-12
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-787

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 configurations

• mesa3d mesa (< 25.3.6) • mesa3d mesa 26.0.0

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References