FKIE_CVE-2026-40393

Vulnerability from fkie_nvd - Published: 2026-04-12 19:16 - Updated: 2026-04-16 16:17
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
cve@mitre.orghttps://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39866Issue Tracking
cve@mitre.orghttps://lists.freedesktop.org/archives/mesa-dev/2026-February/226597.htmlIssue Tracking, Mailing List
Impacted products
Vendor Product Version
mesa3d mesa *
mesa3d mesa 26.0.0
To clipboard 

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  "id": "CVE-2026-40393",
  "lastModified": "2026-04-16T16:17:06.870",
  "metrics": {
    "cvssMetricV31": [
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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