Vulnerability · Published Jan 24, 2026 · Assigned by imaginationtech
CVE-2025-13952GPU DDK - libusc UAF via WebGPU shaders at MergeConsecutiveBarriersBP
Critical 9.8
In plain English
A critical-severity use-after-free in Graphics DDK from Imagination Technologies. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities).
Official description
A web page that contains unusual GPU shader code is loaded from the Internet into the GPU compiler process triggers a write use-after-free crash in the GPU shader compiler library. On certain platforms, when the compiler process has system privileges this could enable further exploits on the device. The shader code contained in the web page executes a path in the compiler that held onto an out of date pointer, pointing to a freed memory object.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Imagination Technologies | Graphics DDK | 25.1 RTM – through 25.2 RTM |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H